feat: add bare application controller

artifacts/crd/application.yaml

@@ -0,0 +1,56 @@
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: applications.application.t000-n.de
+spec:
+  group: application.t000-n.de
+  versions:
+    - name: v1alpha1
+      served: true
+      storage: true
+      subresources:
+        status: {}
+      additionalPrinterColumns:
+        - name: PK
+          type: string
+          jsonPath: .status.pk
+        - name: Name
+          type: string
+          jsonPath: .spec.name
+        - name: Slug
+          type: string
+          jsonPath: .spec.slug
+      schema:
+        openAPIV3Schema:
+          type: object
+          properties:
+            spec:
+              type: object
+              properties:
+                name:
+                  type: string
+                  description: Application's display name
+                slug:
+                  type: string
+                  description: Internal application name, used in URLs.
+                  pattern: ^[-a-zA-Z0-9_]+$
+                provider:
+                  type: integer
+                  format: int32
+              required:
+                - name
+                - slug
+            status:
+              type: object
+              properties:
+                pk:
+                  type: string
+                  format: uuid
+              required:
+                - pk
+  names:
+    kind: Application
+    plural: applications
+    shortNames:
+      - app
+  scope: Namespaced

main.go

@@ -21,6 +21,7 @@ import (
 	"flag"
 	"net/url"
 	"os"
+	"sync"
 	"time"
 
 	"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/signals"
@@ -32,6 +33,7 @@ import (
 	// Uncomment the following line to load the gcp plugin (only required to authenticate against GKE clusters).
 	// _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
 
+	applicationcontroller "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/controllers/application"
 	proxyprovidercontroller "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/controllers/proxyprovider"
 	clientset "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
 	informers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions"
@@ -62,7 +64,7 @@ func main() {
 		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
 	}
 
-	proxyProviderClient, err := clientset.NewForConfig(cfg)
+	clientset, err := clientset.NewForConfig(cfg)
 	if err != nil {
 		logger.Error(err, "Error building proxy provider clientset")
 		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
@@ -74,20 +76,42 @@ func main() {
 		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
 	}
 
-	proxyProviderInformerFactory := informers.NewSharedInformerFactory(proxyProviderClient, time.Second*30)
+	proxyProviderInformerFactory := informers.NewSharedInformerFactory(clientset, time.Second*30)
 
-	controller := proxyprovidercontroller.NewController(ctx, kubeClient, proxyProviderClient, authentikClient,
+	ppController := proxyprovidercontroller.NewController(ctx, kubeClient, clientset, authentikClient,
 		proxyProviderInformerFactory.Proxyprovider().V1alpha1().ProxyProviders(),
 	)
 
+	applicationInformerFactory := informers.NewSharedInformerFactory(clientset, time.Second*30)
+	appController := applicationcontroller.NewController(ctx, kubeClient, clientset, authentikClient,
+		applicationInformerFactory.Application().V1alpha1().Applications(),
+	)
+
 	// notice that there is no need to run Start methods in a separate goroutine. (i.e. go kubeInformerFactory.Start(ctx.done())
 	// Start method is non-blocking and runs all registered informers in a dedicated goroutine.
 	proxyProviderInformerFactory.Start(ctx.Done())
+	applicationInformerFactory.Start(ctx.Done())
 
-	if err = controller.Run(ctx, 2); err != nil {
-		logger.Error(err, "Error running controller")
+	var wg sync.WaitGroup
+	wg.Add(2)
+
+	go func() {
+		defer wg.Done()
+		if err := ppController.Run(ctx, 2); err != nil {
+			logger.Error(err, "Error running proxy provider controller")
 			klog.FlushAndExit(klog.ExitFlushTimeout, 1)
 		}
+	}()
+
+	go func() {
+		defer wg.Done()
+		if err := appController.Run(ctx, 2); err != nil {
+			logger.Error(err, "Error running application controller")
+			klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+		}
+	}()
+
+	wg.Wait()
 }
 
 func init() {

pkg/apis/application/v1alpha1/doc.go

@@ -0,0 +1,23 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// +k8s:deepcopy-gen=package
+// +k8s:openapi-gen=true
+// +groupName=application.t000-n.de
+// +groupGoName=Application
+
+// Package v1alpha1 is the v1alpha1 version of the application API.
+package v1alpha1

pkg/apis/application/v1alpha1/types.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +genclient
+// +kubebuilder:subresource:status
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type Application struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   ApplicationSpec   `json:"spec"`
+	Status ApplicationStatus `json:"status"`
+}
+
+type ApplicationSpec struct {
+	Name     string `json:"name"`
+	Slug     string `json:"slug"`
+	Provider int32  `json:"provider,omitempty"`
+}
+
+type ApplicationStatus struct {
+	PK string `json:"pk"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type ApplicationList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+
+	Items []Application `json:"items"`
+}

pkg/apis/application/v1alpha1/zz_generated.deepcopy.go

@@ -0,0 +1,119 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Application) DeepCopyInto(out *Application) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	out.Status = in.Status
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Application.
+func (in *Application) DeepCopy() *Application {
+	if in == nil {
+		return nil
+	}
+	out := new(Application)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *Application) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApplicationList) DeepCopyInto(out *ApplicationList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]Application, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApplicationList.
+func (in *ApplicationList) DeepCopy() *ApplicationList {
+	if in == nil {
+		return nil
+	}
+	out := new(ApplicationList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ApplicationList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApplicationSpec) DeepCopyInto(out *ApplicationSpec) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApplicationSpec.
+func (in *ApplicationSpec) DeepCopy() *ApplicationSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(ApplicationSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApplicationStatus) DeepCopyInto(out *ApplicationStatus) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApplicationStatus.
+func (in *ApplicationStatus) DeepCopy() *ApplicationStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(ApplicationStatus)
+	in.DeepCopyInto(out)
+	return out
+}

pkg/apis/application/v1alpha1/zz_generated.register.go

@@ -0,0 +1,71 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by register-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// GroupName specifies the group name used to register the objects.
+const GroupName = "application.t000-n.de"
+
+// GroupVersion specifies the group and the version used to register the objects.
+var GroupVersion = v1.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+// SchemeGroupVersion is group version used to register these objects
+//
+// Deprecated: use GroupVersion instead.
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	// localSchemeBuilder and AddToScheme will stay in k8s.io/kubernetes.
+	SchemeBuilder      runtime.SchemeBuilder
+	localSchemeBuilder = &SchemeBuilder
+	// Deprecated: use Install instead
+	AddToScheme = localSchemeBuilder.AddToScheme
+	Install     = localSchemeBuilder.AddToScheme
+)
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	localSchemeBuilder.Register(addKnownTypes)
+}
+
+// Adds the list of known types to Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&Application{},
+		&ApplicationList{},
+	)
+	// AddToGroupVersion allows the serialization of client types like ListOptions.
+	v1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

pkg/controllers/application/controller.go

@@ -0,0 +1,280 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package application
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"slices"
+	"time"
+
+	"golang.org/x/time/rate"
+
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/kubernetes/scheme"
+	typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
+	"k8s.io/client-go/tools/cache"
+	"k8s.io/client-go/tools/record"
+	"k8s.io/client-go/util/workqueue"
+	"k8s.io/klog/v2"
+
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	clientset "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	operatorscheme "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/scheme"
+	informers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/application/v1alpha1"
+	listers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/listers/application/v1alpha1"
+	authentikapi "goauthentik.io/api/v3"
+)
+
+const controllerAgentName = "application-controller"
+
+const (
+	SuccessSynced         = "Synced"
+	ErrResourceExists     = "ErrResourceExists"
+	MessageResourceExists = "Resource %q already exists and is not managed by Application"
+	MessageResourceSynced = "Application synced successfully"
+	FieldManager          = controllerAgentName
+)
+
+// Finalizers
+const (
+	DeleteAuthentikApplicationFinalizer = "application.t000-n.de/delete-authentik-application"
+)
+
+type Controller struct {
+	kubeclientset        kubernetes.Interface
+	applicationClientset clientset.Interface
+	authentik            *authentikapi.APIClient
+
+	applicationListener listers.ApplicationLister
+	applicationSynced   cache.InformerSynced
+
+	workqueue workqueue.TypedRateLimitingInterface[cache.ObjectName]
+	recorder  record.EventRecorder
+}
+
+func NewController(
+	ctx context.Context,
+	kubeclientset kubernetes.Interface,
+	applicationClientset clientset.Interface,
+	authentik *authentikapi.APIClient,
+	applicationInformer informers.ApplicationInformer,
+) *Controller {
+	logger := klog.FromContext(ctx)
+
+	utilruntime.Must(operatorscheme.AddToScheme(scheme.Scheme))
+	logger.V(4).Info("Creating event broadcaster")
+
+	eventBroadcaster := record.NewBroadcaster(record.WithContext(ctx))
+	eventBroadcaster.StartStructuredLogging(0)
+	eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: kubeclientset.CoreV1().Events("")})
+	recorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerAgentName})
+	ratelimiter := workqueue.NewTypedMaxOfRateLimiter(
+		workqueue.NewTypedItemExponentialFailureRateLimiter[cache.ObjectName](5*time.Millisecond, 1000*time.Second),
+		&workqueue.TypedBucketRateLimiter[cache.ObjectName]{Limiter: rate.NewLimiter(rate.Limit(50), 300)},
+	)
+
+	c := &Controller{
+		kubeclientset:        kubeclientset,
+		applicationClientset: applicationClientset,
+		authentik:            authentik,
+		applicationListener:  applicationInformer.Lister(),
+		applicationSynced:    applicationInformer.Informer().HasSynced,
+		workqueue:            workqueue.NewTypedRateLimitingQueue(ratelimiter),
+		recorder:             recorder,
+	}
+
+	logger.Info("Setting up event handlers")
+	applicationInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
+		AddFunc: c.enqueueApplication,
+		UpdateFunc: func(_, newObj interface{}) {
+			c.enqueueApplication(newObj)
+		},
+	})
+
+	return c
+}
+
+func (c *Controller) Run(ctx context.Context, workers int) error {
+	defer utilruntime.HandleCrash()
+	defer c.workqueue.ShutDown()
+	logger := klog.FromContext(ctx)
+
+	logger.Info("Starting Application controller")
+
+	logger.Info("Waiting for informer caches to sync")
+	if ok := cache.WaitForCacheSync(ctx.Done(), c.applicationSynced); !ok {
+		return fmt.Errorf("failed to wait for caches to sync")
+	}
+
+	logger.Info("Starting workers", "count", workers)
+	for i := 0; i < workers; i++ {
+		go wait.UntilWithContext(ctx, c.runWorker, time.Second)
+	}
+
+	logger.Info("Started workers")
+	<-ctx.Done()
+	logger.Info("Shutting down workers")
+	return nil
+}
+
+func (c *Controller) runWorker(ctx context.Context) {
+	for c.processNextWorkItem(ctx) {
+	}
+}
+
+func (c *Controller) processNextWorkItem(ctx context.Context) bool {
+	objRef, shutdown := c.workqueue.Get()
+	logger := klog.FromContext(ctx)
+	if shutdown {
+		return false
+	}
+	defer c.workqueue.Done(objRef)
+
+	err := c.syncHandler(ctx, objRef)
+	if err == nil {
+		c.workqueue.Forget(objRef)
+		logger.Info("Successfully synced", "objectName", objRef)
+		return true
+	}
+	utilruntime.HandleErrorWithContext(ctx, err, "Error syncing; requeuing for later retry", "objectReference", objRef)
+	c.workqueue.AddRateLimited(objRef)
+	return true
+}
+
+func (c *Controller) syncHandler(ctx context.Context, objectRef cache.ObjectName) error {
+	logger := klog.LoggerWithValues(klog.FromContext(ctx), "objectRef", objectRef)
+
+	app, err := c.applicationListener.Applications(objectRef.Namespace).Get(objectRef.Name)
+	if err != nil {
+		if errors.IsNotFound(err) {
+			logger.V(4).Info("Application no longer exists")
+			return nil
+		}
+		return err
+	}
+	logger.V(4).Info("sync Application", "name", app.Name)
+
+	if !app.ObjectMeta.DeletionTimestamp.IsZero() {
+		logger.Info("Reconciling deletion of Application", "name", app.Name)
+		return c.reconcileDelete(ctx, app)
+	}
+
+	if app.Status.PK == "" {
+		logger.Info("Reconciling creation of Application", "name", app.Name)
+		return c.reconcileCreate(ctx, app)
+	}
+
+	// Check if all finalizers are present. If not, we add them. Same pattern as above, just needs a helper function to check for presence of a finalizer.
+	if !slices.Contains(app.ObjectMeta.Finalizers, DeleteAuthentikApplicationFinalizer) {
+		logger.Info("Ensuring finalizers are present", "name", app.Name)
+		return c.ensureFinalizers(ctx, app)
+	}
+
+	logger.Info("Reconciling update of Application", "name", app.Name)
+	return c.reconcileUpdate(ctx, app)
+}
+
+func (c *Controller) ensureFinalizers(ctx context.Context, app *v1alpha1.Application) error {
+	app.ObjectMeta.Finalizers = append(app.ObjectMeta.Finalizers, DeleteAuthentikApplicationFinalizer)
+	return c.updateApplication(ctx, app)
+}
+
+func (c *Controller) reconcileDelete(ctx context.Context, app *v1alpha1.Application) error {
+	r, err := c.authentik.CoreApi.CoreApplicationsDestroy(ctx, app.Status.PK).Execute()
+	if err != nil {
+		// This handles an edge-case, where when the Application on Authentik has already been deleted, but the finalizer is still present. We just remove the finalizer and return.
+		if r != nil && r.StatusCode != http.StatusNotFound {
+			return fmt.Errorf("error when calling `CoreAPI.CoreApplicationsDestroy`: %w with response %v", err, r)
+		}
+	}
+
+	app.ObjectMeta.Finalizers = slices.Delete(app.ObjectMeta.Finalizers, slices.Index(app.ObjectMeta.Finalizers, DeleteAuthentikApplicationFinalizer), 1)
+	return c.updateApplication(ctx, app)
+}
+
+func (c *Controller) reconcileUpdate(ctx context.Context, app *v1alpha1.Application) error {
+	_, r, err := c.authentik.CoreApi.CoreApplicationsRetrieve(ctx, app.Spec.Slug).Execute()
+	if err != nil {
+		if r != nil && r.StatusCode == http.StatusNotFound {
+			// This handles an edge-case, where when the Application on Authentik has been deleted, e.g. by mistake. We just remove the PK and return.
+			// During the next reconciliation, the Application will be re-created.
+			app.Status.PK = ""
+			return c.updateApplicationStatus(ctx, app)
+		}
+		return fmt.Errorf("error retrieving existing Application: %v with response %v", err, r)
+	}
+
+	patchedApplicationRequest := &authentikapi.PatchedApplicationRequest{
+		Name:     &app.Spec.Name,
+		Slug:     &app.Spec.Slug,
+		Provider: *authentikapi.NewNullableInt32(&app.Spec.Provider),
+	}
+	resp, r, err := c.authentik.CoreApi.CoreApplicationsPartialUpdate(ctx, app.Spec.Slug).PatchedApplicationRequest(*patchedApplicationRequest).Execute()
+	if err != nil {
+		return fmt.Errorf("error when calling `CoreAPI.CoreApplicationsPartialUpdate`: %w with response %v", err, r)
+	}
+
+	app.Status.PK = resp.Pk
+	return c.updateApplicationStatus(ctx, app)
+}
+
+func (c *Controller) reconcileCreate(ctx context.Context, app *v1alpha1.Application) error {
+	applicationRequest := &authentikapi.ApplicationRequest{
+		Name:     app.Spec.Name,
+		Slug:     app.Spec.Slug,
+		Provider: *authentikapi.NewNullableInt32(&app.Spec.Provider),
+	}
+	resp, r, err := c.authentik.CoreApi.CoreApplicationsCreate(ctx).ApplicationRequest(*applicationRequest).Execute()
+	if err != nil {
+		return fmt.Errorf("error when calling `CoreAPI.CoreApplicationsCreate`: %w with response %v", err, r)
+	}
+
+	app.Status.PK = resp.Pk
+	return c.updateApplicationStatus(ctx, app)
+}
+
+func (c *Controller) enqueueApplication(obj interface{}) {
+	objectRef, err := cache.ObjectToName(obj)
+	if err != nil {
+		utilruntime.HandleError(err)
+		return
+	}
+	c.workqueue.Add(objectRef)
+}
+
+func (c *Controller) updateApplicationStatus(ctx context.Context, app *v1alpha1.Application) error {
+	appCopy := app.DeepCopy()
+	_, err := c.applicationClientset.ApplicationV1alpha1().Applications(appCopy.Namespace).UpdateStatus(ctx, appCopy, metav1.UpdateOptions{FieldManager: FieldManager})
+	return err
+}
+
+// Update metadata, spec, etc. of the Application object.
+func (c *Controller) updateApplication(ctx context.Context, app *v1alpha1.Application) error {
+	appCopy := app.DeepCopy()
+	_, err := c.applicationClientset.ApplicationV1alpha1().Applications(appCopy.Namespace).Update(ctx, appCopy, metav1.UpdateOptions{FieldManager: FieldManager})
+	if err != nil {
+		return fmt.Errorf("error updating Application metadata: %v", err)
+	}
+	return nil
+}

pkg/controllers/application/controller_test.go

@@ -0,0 +1,395 @@
+// AI generated tests and not yet reviewed.
+package application
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"slices"
+	"strings"
+	"testing"
+
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	operatorfake "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/fake"
+	operatorinformers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions"
+	authentikapi "goauthentik.io/api/v3"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/fake"
+	"k8s.io/client-go/tools/cache"
+)
+
+func TestController_syncHandler_create(t *testing.T) {
+	const wantPK = "42"
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		applicationCreate: func(w http.ResponseWriter, _ *http.Request) {
+			writeJSON(t, w, http.StatusCreated, map[string]any{"pk": wantPK})
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, testApplication(), server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: "default", Name: "test-app"})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getApplication(t, ctrl, "default", "test-app")
+	if got.Status.PK != wantPK {
+		t.Fatalf("status.pk = %q, want %q", got.Status.PK, wantPK)
+	}
+}
+
+func TestController_syncHandler_ensureFinalizers(t *testing.T) {
+	app := testApplication()
+	app.Status.PK = "42"
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, app, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: app.Namespace, Name: app.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getApplication(t, ctrl, app.Namespace, app.Name)
+	if !slices.Contains(got.Finalizers, DeleteAuthentikApplicationFinalizer) {
+		t.Fatalf("finalizers = %v, want %q", got.Finalizers, DeleteAuthentikApplicationFinalizer)
+	}
+}
+
+func TestController_syncHandler_update(t *testing.T) {
+	app := testApplication()
+	app.Status.PK = "42"
+	app.Finalizers = []string{DeleteAuthentikApplicationFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		applicationRetrieve: func(w http.ResponseWriter, _ *http.Request) {
+			writeJSON(t, w, http.StatusOK, map[string]any{"pk": "42"})
+		},
+		applicationPartialUpdate: func(w http.ResponseWriter, _ *http.Request) {
+			writeJSON(t, w, http.StatusOK, map[string]any{"pk": "42"})
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, app, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: app.Namespace, Name: app.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getApplication(t, ctrl, app.Namespace, app.Name)
+	if got.Status.PK != "42" {
+		t.Fatalf("status.pk = %q, want 42", got.Status.PK)
+	}
+}
+
+func TestController_syncHandler_update_applicationNotFound(t *testing.T) {
+	app := testApplication()
+	app.Status.PK = "42"
+	app.Finalizers = []string{DeleteAuthentikApplicationFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		applicationRetrieve: func(w http.ResponseWriter, _ *http.Request) {
+			http.NotFound(w, nil)
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, app, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: app.Namespace, Name: app.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getApplication(t, ctrl, app.Namespace, app.Name)
+	if got.Status.PK != "" {
+		t.Fatalf("status.pk = %q, want empty after application not found", got.Status.PK)
+	}
+}
+
+func TestController_syncHandler_delete(t *testing.T) {
+	now := metav1.Now()
+	app := testApplication()
+	app.Status.PK = "42"
+	app.DeletionTimestamp = &now
+	app.Finalizers = []string{DeleteAuthentikApplicationFinalizer}
+
+	var destroyCalled bool
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		proxyDestroy: func(w http.ResponseWriter, r *http.Request) {
+			destroyCalled = true
+			if r.Method != http.MethodDelete {
+				t.Errorf("destroy method = %s, want DELETE", r.Method)
+			}
+			w.WriteHeader(http.StatusNoContent)
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, app, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: app.Namespace, Name: app.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+	if !destroyCalled {
+		t.Fatal("expected Authentik destroy call")
+	}
+
+	got := getApplication(t, ctrl, app.Namespace, app.Name)
+	if slices.Contains(got.Finalizers, DeleteAuthentikApplicationFinalizer) {
+		t.Fatalf("finalizers = %v, want finalizer removed", got.Finalizers)
+	}
+}
+
+func TestController_syncHandler_delete_providerAlreadyGone(t *testing.T) {
+	now := metav1.Now()
+	app := testApplication()
+	app.Status.PK = "42"
+	app.DeletionTimestamp = &now
+	app.Finalizers = []string{DeleteAuthentikApplicationFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		proxyDestroy: func(w http.ResponseWriter, _ *http.Request) {
+			http.NotFound(w, nil)
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, app, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: app.Namespace, Name: app.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getApplication(t, ctrl, app.Namespace, app.Name)
+	if slices.Contains(got.Finalizers, DeleteAuthentikApplicationFinalizer) {
+		t.Fatalf("finalizers = %v, want finalizer removed after 404", got.Finalizers)
+	}
+}
+
+func TestController_syncHandler_notFound(t *testing.T) {
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, nil, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: "default", Name: "missing"})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v, want nil for missing object", err)
+	}
+}
+
+func TestController_syncHandler_invalidPK(t *testing.T) {
+	now := metav1.Now()
+	app := testApplication()
+	app.Status.PK = "not-a-number"
+	app.DeletionTimestamp = &now
+	app.Finalizers = []string{DeleteAuthentikApplicationFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, app, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: app.Namespace, Name: app.Name})
+	if err == nil {
+		t.Fatal("syncHandler() error = nil, want parse error")
+	}
+	if !strings.Contains(err.Error(), "error parsing PK") {
+		t.Fatalf("syncHandler() error = %v, want PK parse error", err)
+	}
+}
+
+func TestController_enqueueApplication(t *testing.T) {
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, _, cancel := newTestController(t, testApplication(), server.URL)
+	t.Cleanup(cancel)
+
+	ctrl.enqueueApplication(testApplication())
+
+	if ctrl.workqueue.Len() != 1 {
+		t.Fatalf("workqueue length = %d, want 1", ctrl.workqueue.Len())
+	}
+}
+
+// --- test helpers ---
+
+func testApplication() *v1alpha1.Application {
+	return &v1alpha1.Application{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: v1alpha1.SchemeGroupVersion.String(),
+			Kind:       "Application",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "test-app",
+			Namespace: "default",
+		},
+		Spec: v1alpha1.ApplicationSpec{
+			Name:     "My Application",
+			Slug:     "my-app",
+			Provider: 7,
+		},
+	}
+}
+
+func newTestController(t *testing.T, app *v1alpha1.Application, authentikURL string) (*Controller, context.Context, context.CancelFunc) {
+	t.Helper()
+	ctx, cancel := context.WithCancel(context.Background())
+	ctrl, _, stop := newTestControllerWithContext(t, ctx, app, authentikURL)
+	return ctrl, ctx, func() {
+		cancel()
+		stop()
+	}
+}
+
+func newTestControllerWithContext(t *testing.T, ctx context.Context, app *v1alpha1.Application, authentikURL string) (*Controller, context.Context, func()) {
+	t.Helper()
+
+	authentikClient := newAuthentikAPIClientForTest(t, authentikURL)
+
+	var objects []runtime.Object
+	if app != nil {
+		objects = append(objects, app)
+	}
+	applicationClient := operatorfake.NewSimpleClientset(objects...)
+
+	informerFactory := operatorinformers.NewSharedInformerFactory(applicationClient, 0)
+	applicationInformer := informerFactory.Application().V1alpha1().Applications()
+
+	ctrl := NewController(ctx, fake.NewClientset(), applicationClient, authentikClient, applicationInformer)
+
+	informerFactory.Start(ctx.Done())
+	for informerType, synced := range informerFactory.WaitForCacheSync(ctx.Done()) {
+		if !synced {
+			t.Fatalf("informer %v failed to sync", informerType)
+		}
+	}
+
+	return ctrl, ctx, func() {}
+}
+
+func newAuthentikAPIClientForTest(t *testing.T, serverURL string) *authentikapi.APIClient {
+	t.Helper()
+
+	u, err := url.Parse(serverURL)
+	if err != nil {
+		t.Fatalf("parse server URL: %v", err)
+	}
+
+	cfg := authentikapi.NewConfiguration()
+	cfg.Scheme = u.Scheme
+	cfg.Host = u.Host
+
+	return authentikapi.NewAPIClient(cfg)
+}
+
+type authentikTestHandlers struct {
+	applicationCreate        http.HandlerFunc
+	applicationRetrieve      http.HandlerFunc
+	applicationPartialUpdate http.HandlerFunc
+	proxyDestroy             http.HandlerFunc
+}
+
+func newAuthentikTestServer(t *testing.T, handlers authentikTestHandlers) *httptest.Server {
+	t.Helper()
+
+	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		path := r.URL.Path
+
+		switch {
+		case path == "/api/v3/core/applications/" && r.Method == http.MethodPost:
+			if handlers.applicationCreate != nil {
+				handlers.applicationCreate(w, r)
+				return
+			}
+			http.NotFound(w, r)
+
+		case strings.HasPrefix(path, "/api/v3/core/applications/") && strings.HasSuffix(path, "/"):
+			slugPath := strings.TrimPrefix(path, "/api/v3/core/applications/")
+			if slugPath == "" {
+				http.NotFound(w, r)
+				return
+			}
+			switch r.Method {
+			case http.MethodGet:
+				if handlers.applicationRetrieve != nil {
+					handlers.applicationRetrieve(w, r)
+					return
+				}
+				http.NotFound(w, r)
+			case http.MethodPatch:
+				if handlers.applicationPartialUpdate != nil {
+					handlers.applicationPartialUpdate(w, r)
+					return
+				}
+				http.NotFound(w, r)
+			default:
+				http.Error(w, "unexpected method on application instance", http.StatusMethodNotAllowed)
+			}
+
+		case strings.HasPrefix(path, "/api/v3/providers/proxy/") && strings.HasSuffix(path, "/"):
+			idPath := strings.TrimPrefix(path, "/api/v3/providers/proxy/")
+			if idPath == "" {
+				http.NotFound(w, r)
+				return
+			}
+			if r.Method == http.MethodDelete {
+				if handlers.proxyDestroy != nil {
+					handlers.proxyDestroy(w, r)
+					return
+				}
+				http.NotFound(w, r)
+				return
+			}
+			http.Error(w, "unexpected method on proxy instance", http.StatusMethodNotAllowed)
+
+		default:
+			http.NotFound(w, r)
+		}
+	})
+
+	return httptest.NewServer(handler)
+}
+
+func writeJSON(t *testing.T, w http.ResponseWriter, status int, body any) {
+	t.Helper()
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	if err := json.NewEncoder(w).Encode(body); err != nil {
+		t.Fatalf("write JSON response: %v", err)
+	}
+}
+
+func getApplication(t *testing.T, ctrl *Controller, namespace, name string) *v1alpha1.Application {
+	t.Helper()
+
+	got, err := ctrl.applicationClientset.ApplicationV1alpha1().Applications(namespace).Get(
+		context.Background(), name, metav1.GetOptions{},
+	)
+	if err != nil {
+		t.Fatalf("get Application: %v", err)
+	}
+	return got
+}

pkg/generated/applyconfiguration/application/v1alpha1/application.go

@@ -0,0 +1,243 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	v1 "k8s.io/client-go/applyconfigurations/meta/v1"
+)
+
+// ApplicationApplyConfiguration represents a declarative configuration of the Application type for use
+// with apply.
+type ApplicationApplyConfiguration struct {
+	v1.TypeMetaApplyConfiguration    `json:""`
+	*v1.ObjectMetaApplyConfiguration `json:"metadata,omitempty"`
+	Spec                             *ApplicationSpecApplyConfiguration   `json:"spec,omitempty"`
+	Status                           *ApplicationStatusApplyConfiguration `json:"status,omitempty"`
+}
+
+// Application constructs a declarative configuration of the Application type for use with
+// apply.
+func Application(name, namespace string) *ApplicationApplyConfiguration {
+	b := &ApplicationApplyConfiguration{}
+	b.WithName(name)
+	b.WithNamespace(namespace)
+	b.WithKind("Application")
+	b.WithAPIVersion("application.t000-n.de/v1alpha1")
+	return b
+}
+
+func (b ApplicationApplyConfiguration) IsApplyConfiguration() {}
+
+// WithKind sets the Kind field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Kind field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithKind(value string) *ApplicationApplyConfiguration {
+	b.TypeMetaApplyConfiguration.Kind = &value
+	return b
+}
+
+// WithAPIVersion sets the APIVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the APIVersion field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithAPIVersion(value string) *ApplicationApplyConfiguration {
+	b.TypeMetaApplyConfiguration.APIVersion = &value
+	return b
+}
+
+// WithName sets the Name field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Name field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithName(value string) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.Name = &value
+	return b
+}
+
+// WithGenerateName sets the GenerateName field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the GenerateName field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithGenerateName(value string) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.GenerateName = &value
+	return b
+}
+
+// WithNamespace sets the Namespace field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Namespace field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithNamespace(value string) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.Namespace = &value
+	return b
+}
+
+// WithUID sets the UID field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the UID field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithUID(value types.UID) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.UID = &value
+	return b
+}
+
+// WithResourceVersion sets the ResourceVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the ResourceVersion field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithResourceVersion(value string) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.ResourceVersion = &value
+	return b
+}
+
+// WithGeneration sets the Generation field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Generation field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithGeneration(value int64) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.Generation = &value
+	return b
+}
+
+// WithCreationTimestamp sets the CreationTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the CreationTimestamp field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithCreationTimestamp(value metav1.Time) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.CreationTimestamp = &value
+	return b
+}
+
+// WithDeletionTimestamp sets the DeletionTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionTimestamp field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithDeletionTimestamp(value metav1.Time) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.DeletionTimestamp = &value
+	return b
+}
+
+// WithDeletionGracePeriodSeconds sets the DeletionGracePeriodSeconds field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionGracePeriodSeconds field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithDeletionGracePeriodSeconds(value int64) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.DeletionGracePeriodSeconds = &value
+	return b
+}
+
+// WithLabels puts the entries into the Labels field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Labels field,
+// overwriting an existing map entries in Labels field with the same key.
+func (b *ApplicationApplyConfiguration) WithLabels(entries map[string]string) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.ObjectMetaApplyConfiguration.Labels == nil && len(entries) > 0 {
+		b.ObjectMetaApplyConfiguration.Labels = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.ObjectMetaApplyConfiguration.Labels[k] = v
+	}
+	return b
+}
+
+// WithAnnotations puts the entries into the Annotations field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Annotations field,
+// overwriting an existing map entries in Annotations field with the same key.
+func (b *ApplicationApplyConfiguration) WithAnnotations(entries map[string]string) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.ObjectMetaApplyConfiguration.Annotations == nil && len(entries) > 0 {
+		b.ObjectMetaApplyConfiguration.Annotations = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.ObjectMetaApplyConfiguration.Annotations[k] = v
+	}
+	return b
+}
+
+// WithOwnerReferences adds the given value to the OwnerReferences field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the OwnerReferences field.
+func (b *ApplicationApplyConfiguration) WithOwnerReferences(values ...*v1.OwnerReferenceApplyConfiguration) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		if values[i] == nil {
+			panic("nil value passed to WithOwnerReferences")
+		}
+		b.ObjectMetaApplyConfiguration.OwnerReferences = append(b.ObjectMetaApplyConfiguration.OwnerReferences, *values[i])
+	}
+	return b
+}
+
+// WithFinalizers adds the given value to the Finalizers field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the Finalizers field.
+func (b *ApplicationApplyConfiguration) WithFinalizers(values ...string) *ApplicationApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		b.ObjectMetaApplyConfiguration.Finalizers = append(b.ObjectMetaApplyConfiguration.Finalizers, values[i])
+	}
+	return b
+}
+
+func (b *ApplicationApplyConfiguration) ensureObjectMetaApplyConfigurationExists() {
+	if b.ObjectMetaApplyConfiguration == nil {
+		b.ObjectMetaApplyConfiguration = &v1.ObjectMetaApplyConfiguration{}
+	}
+}
+
+// WithSpec sets the Spec field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Spec field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithSpec(value *ApplicationSpecApplyConfiguration) *ApplicationApplyConfiguration {
+	b.Spec = value
+	return b
+}
+
+// WithStatus sets the Status field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Status field is set to the value of the last call.
+func (b *ApplicationApplyConfiguration) WithStatus(value *ApplicationStatusApplyConfiguration) *ApplicationApplyConfiguration {
+	b.Status = value
+	return b
+}
+
+// GetKind retrieves the value of the Kind field in the declarative configuration.
+func (b *ApplicationApplyConfiguration) GetKind() *string {
+	return b.TypeMetaApplyConfiguration.Kind
+}
+
+// GetAPIVersion retrieves the value of the APIVersion field in the declarative configuration.
+func (b *ApplicationApplyConfiguration) GetAPIVersion() *string {
+	return b.TypeMetaApplyConfiguration.APIVersion
+}
+
+// GetName retrieves the value of the Name field in the declarative configuration.
+func (b *ApplicationApplyConfiguration) GetName() *string {
+	b.ensureObjectMetaApplyConfigurationExists()
+	return b.ObjectMetaApplyConfiguration.Name
+}
+
+// GetNamespace retrieves the value of the Namespace field in the declarative configuration.
+func (b *ApplicationApplyConfiguration) GetNamespace() *string {
+	b.ensureObjectMetaApplyConfigurationExists()
+	return b.ObjectMetaApplyConfiguration.Namespace
+}

pkg/generated/applyconfiguration/application/v1alpha1/applicationspec.go

@@ -0,0 +1,57 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// ApplicationSpecApplyConfiguration represents a declarative configuration of the ApplicationSpec type for use
+// with apply.
+type ApplicationSpecApplyConfiguration struct {
+	Name     *string `json:"name,omitempty"`
+	Slug     *string `json:"slug,omitempty"`
+	Provider *int32  `json:"provider,omitempty"`
+}
+
+// ApplicationSpecApplyConfiguration constructs a declarative configuration of the ApplicationSpec type for use with
+// apply.
+func ApplicationSpec() *ApplicationSpecApplyConfiguration {
+	return &ApplicationSpecApplyConfiguration{}
+}
+
+// WithName sets the Name field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Name field is set to the value of the last call.
+func (b *ApplicationSpecApplyConfiguration) WithName(value string) *ApplicationSpecApplyConfiguration {
+	b.Name = &value
+	return b
+}
+
+// WithSlug sets the Slug field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Slug field is set to the value of the last call.
+func (b *ApplicationSpecApplyConfiguration) WithSlug(value string) *ApplicationSpecApplyConfiguration {
+	b.Slug = &value
+	return b
+}
+
+// WithProvider sets the Provider field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Provider field is set to the value of the last call.
+func (b *ApplicationSpecApplyConfiguration) WithProvider(value int32) *ApplicationSpecApplyConfiguration {
+	b.Provider = &value
+	return b
+}

pkg/generated/applyconfiguration/application/v1alpha1/applicationstatus.go

@@ -0,0 +1,39 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// ApplicationStatusApplyConfiguration represents a declarative configuration of the ApplicationStatus type for use
+// with apply.
+type ApplicationStatusApplyConfiguration struct {
+	PK *string `json:"pk,omitempty"`
+}
+
+// ApplicationStatusApplyConfiguration constructs a declarative configuration of the ApplicationStatus type for use with
+// apply.
+func ApplicationStatus() *ApplicationStatusApplyConfiguration {
+	return &ApplicationStatusApplyConfiguration{}
+}
+
+// WithPK sets the PK field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the PK field is set to the value of the last call.
+func (b *ApplicationStatusApplyConfiguration) WithPK(value string) *ApplicationStatusApplyConfiguration {
+	b.PK = &value
+	return b
+}

pkg/generated/applyconfiguration/utils.go

@@ -19,9 +19,11 @@ limitations under the License.
 package applyconfiguration
 
 import (
-	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/application/v1alpha1"
 	internal "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/internal"
-	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/proxyprovider/v1alpha1"
+	applyconfigurationproxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/proxyprovider/v1alpha1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 	schema "k8s.io/apimachinery/pkg/runtime/schema"
 	managedfields "k8s.io/apimachinery/pkg/util/managedfields"
@@ -31,13 +33,21 @@ import (
 // apply configuration type exists for the given GroupVersionKind.
 func ForKind(kind schema.GroupVersionKind) interface{} {
 	switch kind {
+	// Group=application.t000-n.de, Version=v1alpha1
+	case v1alpha1.SchemeGroupVersion.WithKind("Application"):
+		return &applicationv1alpha1.ApplicationApplyConfiguration{}
+	case v1alpha1.SchemeGroupVersion.WithKind("ApplicationSpec"):
+		return &applicationv1alpha1.ApplicationSpecApplyConfiguration{}
+	case v1alpha1.SchemeGroupVersion.WithKind("ApplicationStatus"):
+		return &applicationv1alpha1.ApplicationStatusApplyConfiguration{}
+
 		// Group=proxyprovider.t000-n.de, Version=v1alpha1
-	case v1alpha1.SchemeGroupVersion.WithKind("ProxyProvider"):
-		return &proxyproviderv1alpha1.ProxyProviderApplyConfiguration{}
-	case v1alpha1.SchemeGroupVersion.WithKind("ProxyProviderSpec"):
-		return &proxyproviderv1alpha1.ProxyProviderSpecApplyConfiguration{}
-	case v1alpha1.SchemeGroupVersion.WithKind("ProxyProviderStatus"):
-		return &proxyproviderv1alpha1.ProxyProviderStatusApplyConfiguration{}
+	case proxyproviderv1alpha1.SchemeGroupVersion.WithKind("ProxyProvider"):
+		return &applyconfigurationproxyproviderv1alpha1.ProxyProviderApplyConfiguration{}
+	case proxyproviderv1alpha1.SchemeGroupVersion.WithKind("ProxyProviderSpec"):
+		return &applyconfigurationproxyproviderv1alpha1.ProxyProviderSpecApplyConfiguration{}
+	case proxyproviderv1alpha1.SchemeGroupVersion.WithKind("ProxyProviderStatus"):
+		return &applyconfigurationproxyproviderv1alpha1.ProxyProviderStatusApplyConfiguration{}
 
 	}
 	return nil

pkg/generated/clientset/versioned/clientset.go

@@ -22,6 +22,7 @@ import (
 	fmt "fmt"
 	http "net/http"
 
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/application/v1alpha1"
 	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1"
 	discovery "k8s.io/client-go/discovery"
 	rest "k8s.io/client-go/rest"
@@ -30,15 +31,22 @@ import (
 
 type Interface interface {
 	Discovery() discovery.DiscoveryInterface
+	ApplicationV1alpha1() applicationv1alpha1.ApplicationV1alpha1Interface
 	ProxyproviderV1alpha1() proxyproviderv1alpha1.ProxyproviderV1alpha1Interface
 }
 
 // Clientset contains the clients for groups.
 type Clientset struct {
 	*discovery.DiscoveryClient
+	applicationV1alpha1   *applicationv1alpha1.ApplicationV1alpha1Client
 	proxyproviderV1alpha1 *proxyproviderv1alpha1.ProxyproviderV1alpha1Client
 }
 
+// ApplicationV1alpha1 retrieves the ApplicationV1alpha1Client
+func (c *Clientset) ApplicationV1alpha1() applicationv1alpha1.ApplicationV1alpha1Interface {
+	return c.applicationV1alpha1
+}
+
 // ProxyproviderV1alpha1 retrieves the ProxyproviderV1alpha1Client
 func (c *Clientset) ProxyproviderV1alpha1() proxyproviderv1alpha1.ProxyproviderV1alpha1Interface {
 	return c.proxyproviderV1alpha1
@@ -88,6 +96,10 @@ func NewForConfigAndClient(c *rest.Config, httpClient *http.Client) (*Clientset,
 
 	var cs Clientset
 	var err error
+	cs.applicationV1alpha1, err = applicationv1alpha1.NewForConfigAndClient(&configShallowCopy, httpClient)
+	if err != nil {
+		return nil, err
+	}
 	cs.proxyproviderV1alpha1, err = proxyproviderv1alpha1.NewForConfigAndClient(&configShallowCopy, httpClient)
 	if err != nil {
 		return nil, err
@@ -113,6 +125,7 @@ func NewForConfigOrDie(c *rest.Config) *Clientset {
 // New creates a new Clientset for the given RESTClient.
 func New(c rest.Interface) *Clientset {
 	var cs Clientset
+	cs.applicationV1alpha1 = applicationv1alpha1.New(c)
 	cs.proxyproviderV1alpha1 = proxyproviderv1alpha1.New(c)
 
 	cs.DiscoveryClient = discovery.NewDiscoveryClient(c)

pkg/generated/clientset/versioned/fake/clientset_generated.go

@@ -21,6 +21,8 @@ package fake
 import (
 	applyconfiguration "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration"
 	clientset "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/application/v1alpha1"
+	fakeapplicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/application/v1alpha1/fake"
 	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1"
 	fakeproxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/fake"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -136,6 +138,11 @@ var (
 	_ testing.FakeClient  = &Clientset{}
 )
 
+// ApplicationV1alpha1 retrieves the ApplicationV1alpha1Client
+func (c *Clientset) ApplicationV1alpha1() applicationv1alpha1.ApplicationV1alpha1Interface {
+	return &fakeapplicationv1alpha1.FakeApplicationV1alpha1{Fake: &c.Fake}
+}
+
 // ProxyproviderV1alpha1 retrieves the ProxyproviderV1alpha1Client
 func (c *Clientset) ProxyproviderV1alpha1() proxyproviderv1alpha1.ProxyproviderV1alpha1Interface {
 	return &fakeproxyproviderv1alpha1.FakeProxyproviderV1alpha1{Fake: &c.Fake}

pkg/generated/clientset/versioned/fake/register.go

@@ -19,6 +19,7 @@ limitations under the License.
 package fake
 
 import (
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
 	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
@@ -31,6 +32,7 @@ var scheme = runtime.NewScheme()
 var codecs = serializer.NewCodecFactory(scheme)
 
 var localSchemeBuilder = runtime.SchemeBuilder{
+	applicationv1alpha1.AddToScheme,
 	proxyproviderv1alpha1.AddToScheme,
 }
 

pkg/generated/clientset/versioned/scheme/register.go

@@ -19,6 +19,7 @@ limitations under the License.
 package scheme
 
 import (
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
 	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
@@ -31,6 +32,7 @@ var Scheme = runtime.NewScheme()
 var Codecs = serializer.NewCodecFactory(Scheme)
 var ParameterCodec = runtime.NewParameterCodec(Scheme)
 var localSchemeBuilder = runtime.SchemeBuilder{
+	applicationv1alpha1.AddToScheme,
 	proxyproviderv1alpha1.AddToScheme,
 }
 

pkg/generated/clientset/versioned/typed/application/v1alpha1/application.go

@@ -0,0 +1,74 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	context "context"
+
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	applyconfigurationapplicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/application/v1alpha1"
+	scheme "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/scheme"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	gentype "k8s.io/client-go/gentype"
+)
+
+// ApplicationsGetter has a method to return a ApplicationInterface.
+// A group's client should implement this interface.
+type ApplicationsGetter interface {
+	Applications(namespace string) ApplicationInterface
+}
+
+// ApplicationInterface has methods to work with Application resources.
+type ApplicationInterface interface {
+	Create(ctx context.Context, application *applicationv1alpha1.Application, opts v1.CreateOptions) (*applicationv1alpha1.Application, error)
+	Update(ctx context.Context, application *applicationv1alpha1.Application, opts v1.UpdateOptions) (*applicationv1alpha1.Application, error)
+	// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+	UpdateStatus(ctx context.Context, application *applicationv1alpha1.Application, opts v1.UpdateOptions) (*applicationv1alpha1.Application, error)
+	Delete(ctx context.Context, name string, opts v1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error
+	Get(ctx context.Context, name string, opts v1.GetOptions) (*applicationv1alpha1.Application, error)
+	List(ctx context.Context, opts v1.ListOptions) (*applicationv1alpha1.ApplicationList, error)
+	Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *applicationv1alpha1.Application, err error)
+	Apply(ctx context.Context, application *applyconfigurationapplicationv1alpha1.ApplicationApplyConfiguration, opts v1.ApplyOptions) (result *applicationv1alpha1.Application, err error)
+	// Add a +genclient:noStatus comment above the type to avoid generating ApplyStatus().
+	ApplyStatus(ctx context.Context, application *applyconfigurationapplicationv1alpha1.ApplicationApplyConfiguration, opts v1.ApplyOptions) (result *applicationv1alpha1.Application, err error)
+	ApplicationExpansion
+}
+
+// applications implements ApplicationInterface
+type applications struct {
+	*gentype.ClientWithListAndApply[*applicationv1alpha1.Application, *applicationv1alpha1.ApplicationList, *applyconfigurationapplicationv1alpha1.ApplicationApplyConfiguration]
+}
+
+// newApplications returns a Applications
+func newApplications(c *ApplicationV1alpha1Client, namespace string) *applications {
+	return &applications{
+		gentype.NewClientWithListAndApply[*applicationv1alpha1.Application, *applicationv1alpha1.ApplicationList, *applyconfigurationapplicationv1alpha1.ApplicationApplyConfiguration](
+			"applications",
+			c.RESTClient(),
+			scheme.ParameterCodec,
+			namespace,
+			func() *applicationv1alpha1.Application { return &applicationv1alpha1.Application{} },
+			func() *applicationv1alpha1.ApplicationList { return &applicationv1alpha1.ApplicationList{} },
+		),
+	}
+}

pkg/generated/clientset/versioned/typed/application/v1alpha1/application_client.go

@@ -0,0 +1,101 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	http "net/http"
+
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	scheme "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/scheme"
+	rest "k8s.io/client-go/rest"
+)
+
+type ApplicationV1alpha1Interface interface {
+	RESTClient() rest.Interface
+	ApplicationsGetter
+}
+
+// ApplicationV1alpha1Client is used to interact with features provided by the application.t000-n.de group.
+type ApplicationV1alpha1Client struct {
+	restClient rest.Interface
+}
+
+func (c *ApplicationV1alpha1Client) Applications(namespace string) ApplicationInterface {
+	return newApplications(c, namespace)
+}
+
+// NewForConfig creates a new ApplicationV1alpha1Client for the given config.
+// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
+// where httpClient was generated with rest.HTTPClientFor(c).
+func NewForConfig(c *rest.Config) (*ApplicationV1alpha1Client, error) {
+	config := *c
+	setConfigDefaults(&config)
+	httpClient, err := rest.HTTPClientFor(&config)
+	if err != nil {
+		return nil, err
+	}
+	return NewForConfigAndClient(&config, httpClient)
+}
+
+// NewForConfigAndClient creates a new ApplicationV1alpha1Client for the given config and http client.
+// Note the http client provided takes precedence over the configured transport values.
+func NewForConfigAndClient(c *rest.Config, h *http.Client) (*ApplicationV1alpha1Client, error) {
+	config := *c
+	setConfigDefaults(&config)
+	client, err := rest.RESTClientForConfigAndClient(&config, h)
+	if err != nil {
+		return nil, err
+	}
+	return &ApplicationV1alpha1Client{client}, nil
+}
+
+// NewForConfigOrDie creates a new ApplicationV1alpha1Client for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *ApplicationV1alpha1Client {
+	client, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return client
+}
+
+// New creates a new ApplicationV1alpha1Client for the given RESTClient.
+func New(c rest.Interface) *ApplicationV1alpha1Client {
+	return &ApplicationV1alpha1Client{c}
+}
+
+func setConfigDefaults(config *rest.Config) {
+	gv := applicationv1alpha1.SchemeGroupVersion
+	config.GroupVersion = &gv
+	config.APIPath = "/apis"
+	config.NegotiatedSerializer = rest.CodecFactoryForGeneratedClient(scheme.Scheme, scheme.Codecs).WithoutConversion()
+
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *ApplicationV1alpha1Client) RESTClient() rest.Interface {
+	if c == nil {
+		return nil
+	}
+	return c.restClient
+}

pkg/generated/clientset/versioned/typed/application/v1alpha1/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package has the automatically generated typed clients.
+package v1alpha1

pkg/generated/clientset/versioned/typed/application/v1alpha1/fake/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// Package fake has the automatically generated clients.
+package fake

pkg/generated/clientset/versioned/typed/application/v1alpha1/fake/fake_application.go

@@ -0,0 +1,53 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/application/v1alpha1"
+	typedapplicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/application/v1alpha1"
+	gentype "k8s.io/client-go/gentype"
+)
+
+// fakeApplications implements ApplicationInterface
+type fakeApplications struct {
+	*gentype.FakeClientWithListAndApply[*v1alpha1.Application, *v1alpha1.ApplicationList, *applicationv1alpha1.ApplicationApplyConfiguration]
+	Fake *FakeApplicationV1alpha1
+}
+
+func newFakeApplications(fake *FakeApplicationV1alpha1, namespace string) typedapplicationv1alpha1.ApplicationInterface {
+	return &fakeApplications{
+		gentype.NewFakeClientWithListAndApply[*v1alpha1.Application, *v1alpha1.ApplicationList, *applicationv1alpha1.ApplicationApplyConfiguration](
+			fake.Fake,
+			namespace,
+			v1alpha1.SchemeGroupVersion.WithResource("applications"),
+			v1alpha1.SchemeGroupVersion.WithKind("Application"),
+			func() *v1alpha1.Application { return &v1alpha1.Application{} },
+			func() *v1alpha1.ApplicationList { return &v1alpha1.ApplicationList{} },
+			func(dst, src *v1alpha1.ApplicationList) { dst.ListMeta = src.ListMeta },
+			func(list *v1alpha1.ApplicationList) []*v1alpha1.Application {
+				return gentype.ToPointerSlice(list.Items)
+			},
+			func(list *v1alpha1.ApplicationList, items []*v1alpha1.Application) {
+				list.Items = gentype.FromPointerSlice(items)
+			},
+		),
+		fake,
+	}
+}

pkg/generated/clientset/versioned/typed/application/v1alpha1/fake/fake_application_client.go

@@ -0,0 +1,40 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/application/v1alpha1"
+	rest "k8s.io/client-go/rest"
+	testing "k8s.io/client-go/testing"
+)
+
+type FakeApplicationV1alpha1 struct {
+	*testing.Fake
+}
+
+func (c *FakeApplicationV1alpha1) Applications(namespace string) v1alpha1.ApplicationInterface {
+	return newFakeApplications(c, namespace)
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *FakeApplicationV1alpha1) RESTClient() rest.Interface {
+	var ret *rest.RESTClient
+	return ret
+}

pkg/generated/clientset/versioned/typed/application/v1alpha1/generated_expansion.go

@@ -0,0 +1,21 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+type ApplicationExpansion interface{}

pkg/generated/informers/externalversions/application/interface.go

@@ -0,0 +1,46 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package application
+
+import (
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/application/v1alpha1"
+	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
+)
+
+// Interface provides access to each of this group's versions.
+type Interface interface {
+	// V1alpha1 provides access to shared informers for resources in V1alpha1.
+	V1alpha1() v1alpha1.Interface
+}
+
+type group struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &group{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// V1alpha1 returns a new v1alpha1.Interface.
+func (g *group) V1alpha1() v1alpha1.Interface {
+	return v1alpha1.New(g.factory, g.namespace, g.tweakListOptions)
+}

pkg/generated/informers/externalversions/application/v1alpha1/application.go

@@ -0,0 +1,116 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	context "context"
+	time "time"
+
+	apisapplicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	versioned "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/listers/application/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	watch "k8s.io/apimachinery/pkg/watch"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// ApplicationInformer provides access to a shared informer and lister for
+// Applications.
+type ApplicationInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() applicationv1alpha1.ApplicationLister
+}
+
+type applicationInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	namespace        string
+}
+
+// NewApplicationInformer constructs a new informer for Application type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewApplicationInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewApplicationInformerWithOptions(client, namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers})
+}
+
+// NewFilteredApplicationInformer constructs a new informer for Application type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredApplicationInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return NewApplicationInformerWithOptions(client, namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers, TweakListOptions: tweakListOptions})
+}
+
+// NewApplicationInformerWithOptions constructs a new informer for Application type with additional options.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewApplicationInformerWithOptions(client versioned.Interface, namespace string, options internalinterfaces.InformerOptions) cache.SharedIndexInformer {
+	gvr := schema.GroupVersionResource{Group: "application.t000-n.de", Version: "v1alpha1", Resource: "applications"}
+	identifier := options.InformerName.WithResource(gvr)
+	tweakListOptions := options.TweakListOptions
+	return cache.NewSharedIndexInformerWithOptions(
+		cache.ToListWatcherWithWatchListSemantics(&cache.ListWatch{
+			ListFunc: func(opts v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ApplicationV1alpha1().Applications(namespace).List(context.Background(), opts)
+			},
+			WatchFunc: func(opts v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ApplicationV1alpha1().Applications(namespace).Watch(context.Background(), opts)
+			},
+			ListWithContextFunc: func(ctx context.Context, opts v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ApplicationV1alpha1().Applications(namespace).List(ctx, opts)
+			},
+			WatchFuncWithContext: func(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ApplicationV1alpha1().Applications(namespace).Watch(ctx, opts)
+			},
+		}, client),
+		&apisapplicationv1alpha1.Application{},
+		cache.SharedIndexInformerOptions{
+			ResyncPeriod: options.ResyncPeriod,
+			Indexers:     options.Indexers,
+			Identifier:   identifier,
+		},
+	)
+}
+
+func (f *applicationInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewApplicationInformerWithOptions(client, f.namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, InformerName: f.factory.InformerName(), TweakListOptions: f.tweakListOptions})
+}
+
+func (f *applicationInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&apisapplicationv1alpha1.Application{}, f.defaultInformer)
+}
+
+func (f *applicationInformer) Lister() applicationv1alpha1.ApplicationLister {
+	return applicationv1alpha1.NewApplicationLister(f.Informer().GetIndexer())
+}

pkg/generated/informers/externalversions/application/v1alpha1/interface.go

@@ -0,0 +1,45 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// Applications returns a ApplicationInformer.
+	Applications() ApplicationInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// Applications returns a ApplicationInformer.
+func (v *version) Applications() ApplicationInformer {
+	return &applicationInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
+}

pkg/generated/informers/externalversions/factory.go

@@ -25,6 +25,7 @@ import (
 	time "time"
 
 	versioned "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	application "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/application"
 	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
 	proxyprovider "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/proxyprovider"
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -325,9 +326,14 @@ type SharedInformerFactory interface {
 	// client.
 	InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer
 
+	Application() application.Interface
 	Proxyprovider() proxyprovider.Interface
 }
 
+func (f *sharedInformerFactory) Application() application.Interface {
+	return application.New(f, f.namespace, f.tweakListOptions)
+}
+
 func (f *sharedInformerFactory) Proxyprovider() proxyprovider.Interface {
 	return proxyprovider.New(f, f.namespace, f.tweakListOptions)
 }

pkg/generated/informers/externalversions/generic.go

@@ -21,7 +21,8 @@ package externalversions
 import (
 	fmt "fmt"
 
-	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
 	schema "k8s.io/apimachinery/pkg/runtime/schema"
 	cache "k8s.io/client-go/tools/cache"
 )
@@ -52,8 +53,12 @@ func (f *genericInformer) Lister() cache.GenericLister {
 // TODO extend this to unknown resources with a client pool
 func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource) (GenericInformer, error) {
 	switch resource {
+	// Group=application.t000-n.de, Version=v1alpha1
+	case v1alpha1.SchemeGroupVersion.WithResource("applications"):
+		return &genericInformer{resource: resource.GroupResource(), informer: f.Application().V1alpha1().Applications().Informer()}, nil
+
 		// Group=proxyprovider.t000-n.de, Version=v1alpha1
-	case v1alpha1.SchemeGroupVersion.WithResource("proxyproviders"):
+	case proxyproviderv1alpha1.SchemeGroupVersion.WithResource("proxyproviders"):
 		return &genericInformer{resource: resource.GroupResource(), informer: f.Proxyprovider().V1alpha1().ProxyProviders().Informer()}, nil
 
 	}

pkg/generated/listers/application/v1alpha1/application.go

@@ -0,0 +1,70 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	applicationv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	listers "k8s.io/client-go/listers"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// ApplicationLister helps list Applications.
+// All objects returned here must be treated as read-only.
+type ApplicationLister interface {
+	// List lists all Applications in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*applicationv1alpha1.Application, err error)
+	// Applications returns an object that can list and get Applications.
+	Applications(namespace string) ApplicationNamespaceLister
+	ApplicationListerExpansion
+}
+
+// applicationLister implements the ApplicationLister interface.
+type applicationLister struct {
+	listers.ResourceIndexer[*applicationv1alpha1.Application]
+}
+
+// NewApplicationLister returns a new ApplicationLister.
+func NewApplicationLister(indexer cache.Indexer) ApplicationLister {
+	return &applicationLister{listers.New[*applicationv1alpha1.Application](indexer, applicationv1alpha1.Resource("application"))}
+}
+
+// Applications returns an object that can list and get Applications.
+func (s *applicationLister) Applications(namespace string) ApplicationNamespaceLister {
+	return applicationNamespaceLister{listers.NewNamespaced[*applicationv1alpha1.Application](s.ResourceIndexer, namespace)}
+}
+
+// ApplicationNamespaceLister helps list and get Applications.
+// All objects returned here must be treated as read-only.
+type ApplicationNamespaceLister interface {
+	// List lists all Applications in the indexer for a given namespace.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*applicationv1alpha1.Application, err error)
+	// Get retrieves the Application from the indexer for a given namespace and name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*applicationv1alpha1.Application, error)
+	ApplicationNamespaceListerExpansion
+}
+
+// applicationNamespaceLister implements the ApplicationNamespaceLister
+// interface.
+type applicationNamespaceLister struct {
+	listers.ResourceIndexer[*applicationv1alpha1.Application]
+}

pkg/generated/listers/application/v1alpha1/expansion_generated.go

@@ -0,0 +1,27 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// ApplicationListerExpansion allows custom methods to be added to
+// ApplicationLister.
+type ApplicationListerExpansion interface{}
+
+// ApplicationNamespaceListerExpansion allows custom methods to be added to
+// ApplicationNamespaceLister.
+type ApplicationNamespaceListerExpansion interface{}

pkg/generated/openapi/zz_generated.openapi.go

@@ -32,6 +32,10 @@ import (
 
 func GetOpenAPIDefinitions(ref common.ReferenceCallback) map[string]common.OpenAPIDefinition {
 	return map[string]common.OpenAPIDefinition{
+		"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.Application":           schema_pkg_apis_application_v1alpha1_Application(ref),
+		"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.ApplicationList":       schema_pkg_apis_application_v1alpha1_ApplicationList(ref),
+		"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.ApplicationSpec":       schema_pkg_apis_application_v1alpha1_ApplicationSpec(ref),
+		"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.ApplicationStatus":     schema_pkg_apis_application_v1alpha1_ApplicationStatus(ref),
 		"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1.ProxyProvider":       schema_pkg_apis_proxyprovider_v1alpha1_ProxyProvider(ref),
 		"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1.ProxyProviderList":   schema_pkg_apis_proxyprovider_v1alpha1_ProxyProviderList(ref),
 		"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1.ProxyProviderSpec":   schema_pkg_apis_proxyprovider_v1alpha1_ProxyProviderSpec(ref),
@@ -94,6 +98,153 @@ func GetOpenAPIDefinitions(ref common.ReferenceCallback) map[string]common.OpenA
 	}
 }
 
+func schema_pkg_apis_application_v1alpha1_Application(ref common.ReferenceCallback) common.OpenAPIDefinition {
+	return common.OpenAPIDefinition{
+		Schema: spec.Schema{
+			SchemaProps: spec.SchemaProps{
+				Type: []string{"object"},
+				Properties: map[string]spec.Schema{
+					"kind": {
+						SchemaProps: spec.SchemaProps{
+							Description: "Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds",
+							Type:        []string{"string"},
+							Format:      "",
+						},
+					},
+					"apiVersion": {
+						SchemaProps: spec.SchemaProps{
+							Description: "APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources",
+							Type:        []string{"string"},
+							Format:      "",
+						},
+					},
+					"metadata": {
+						SchemaProps: spec.SchemaProps{
+							Default: map[string]interface{}{},
+							Ref:     ref(v1.ObjectMeta{}.OpenAPIModelName()),
+						},
+					},
+					"spec": {
+						SchemaProps: spec.SchemaProps{
+							Default: map[string]interface{}{},
+							Ref:     ref("gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.ApplicationSpec"),
+						},
+					},
+					"status": {
+						SchemaProps: spec.SchemaProps{
+							Default: map[string]interface{}{},
+							Ref:     ref("gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.ApplicationStatus"),
+						},
+					},
+				},
+				Required: []string{"spec", "status"},
+			},
+		},
+		Dependencies: []string{
+			"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.ApplicationSpec", "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.ApplicationStatus", v1.ObjectMeta{}.OpenAPIModelName()},
+	}
+}
+
+func schema_pkg_apis_application_v1alpha1_ApplicationList(ref common.ReferenceCallback) common.OpenAPIDefinition {
+	return common.OpenAPIDefinition{
+		Schema: spec.Schema{
+			SchemaProps: spec.SchemaProps{
+				Type: []string{"object"},
+				Properties: map[string]spec.Schema{
+					"kind": {
+						SchemaProps: spec.SchemaProps{
+							Description: "Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds",
+							Type:        []string{"string"},
+							Format:      "",
+						},
+					},
+					"apiVersion": {
+						SchemaProps: spec.SchemaProps{
+							Description: "APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources",
+							Type:        []string{"string"},
+							Format:      "",
+						},
+					},
+					"metadata": {
+						SchemaProps: spec.SchemaProps{
+							Default: map[string]interface{}{},
+							Ref:     ref(v1.ListMeta{}.OpenAPIModelName()),
+						},
+					},
+					"items": {
+						SchemaProps: spec.SchemaProps{
+							Type: []string{"array"},
+							Items: &spec.SchemaOrArray{
+								Schema: &spec.Schema{
+									SchemaProps: spec.SchemaProps{
+										Ref: ref("gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.Application"),
+									},
+								},
+							},
+						},
+					},
+				},
+				Required: []string{"items"},
+			},
+		},
+		Dependencies: []string{
+			"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/application/v1alpha1.Application", v1.ListMeta{}.OpenAPIModelName()},
+	}
+}
+
+func schema_pkg_apis_application_v1alpha1_ApplicationSpec(ref common.ReferenceCallback) common.OpenAPIDefinition {
+	return common.OpenAPIDefinition{
+		Schema: spec.Schema{
+			SchemaProps: spec.SchemaProps{
+				Type: []string{"object"},
+				Properties: map[string]spec.Schema{
+					"name": {
+						SchemaProps: spec.SchemaProps{
+							Default: "",
+							Type:    []string{"string"},
+							Format:  "",
+						},
+					},
+					"slug": {
+						SchemaProps: spec.SchemaProps{
+							Default: "",
+							Type:    []string{"string"},
+							Format:  "",
+						},
+					},
+					"provider": {
+						SchemaProps: spec.SchemaProps{
+							Type:   []string{"integer"},
+							Format: "int32",
+						},
+					},
+				},
+				Required: []string{"name", "slug"},
+			},
+		},
+	}
+}
+
+func schema_pkg_apis_application_v1alpha1_ApplicationStatus(ref common.ReferenceCallback) common.OpenAPIDefinition {
+	return common.OpenAPIDefinition{
+		Schema: spec.Schema{
+			SchemaProps: spec.SchemaProps{
+				Type: []string{"object"},
+				Properties: map[string]spec.Schema{
+					"pk": {
+						SchemaProps: spec.SchemaProps{
+							Default: "",
+							Type:    []string{"string"},
+							Format:  "",
+						},
+					},
+				},
+				Required: []string{"pk"},
+			},
+		},
+	}
+}
+
 func schema_pkg_apis_proxyprovider_v1alpha1_ProxyProvider(ref common.ReferenceCallback) common.OpenAPIDefinition {
 	return common.OpenAPIDefinition{
 		Schema: spec.Schema{