diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index dac1a20..bb32539 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -35,8 +35,10 @@ jobs:
             /go_cache
           key: go_path-${{ steps.hash-go.outputs.hash }}
           restore-keys: |-
-            go_cache-${{ steps.hash-go.outputs.hash }}      
+            go_cache-${{ steps.hash-go.outputs.hash }}
       - name: build
         run: make build
       - name: test
         run: make test
+      - name: check:format
+        run: make check-format
diff --git a/Makefile b/Makefile
index 142723b..07246c5 100644
--- a/Makefile
+++ b/Makefile
@@ -6,3 +6,18 @@ build:
 
 lint:
 	golint ./...
+
+run:
+	make build
+	./realdyndns
+
+format:
+	gofmt -w .
+
+check-format:
+	@OUTPUT=$$(gofmt -l .); \
+	if [ -n "$$OUTPUT" ]; then \
+		echo "Formatter failed for:"; \
+		echo "$$OUTPUT"; \
+		exit 1; \
+	fi
diff --git a/main.go b/main.go
index 477ce94..ca05c00 100644
--- a/main.go
+++ b/main.go
@@ -74,20 +74,20 @@ func main() {
 	rdd := realDynDns.New(externalIpProvider, dnsProvider, notificationProvider, configClient.Domains)
 
 	switch configClient.Mode {
-		case config.ScheduledMode:
-			schedule, job, err := rdd.RunWithSchedule(configClient.CheckInterval)
-			if err != nil {
-				panic(err)
-			}
+	case config.ScheduledMode:
+		schedule, job, err := rdd.RunWithSchedule(configClient.CheckInterval)
+		if err != nil {
+			panic(err)
+		}
 
-			fmt.Println("Starting scheduler")
-			fmt.Println("Next run:", job.NextRun())
-			schedule.StartBlocking()
-		case config.RunOnceMode:
-			numberOfChanges, err := rdd.RunOnce()
-			if err != nil {
-				panic(err)
-			}
-			fmt.Println("Number of changes:", numberOfChanges)
+		fmt.Println("Starting scheduler")
+		fmt.Println("Next run:", job.NextRun())
+		schedule.StartBlocking()
+	case config.RunOnceMode:
+		numberOfChanges, err := rdd.RunOnce()
+		if err != nil {
+			panic(err)
+		}
+		fmt.Println("Number of changes:", numberOfChanges)
 	}
 }
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 00560ee..2c2975d 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -18,8 +18,8 @@ type Config struct {
 }
 
 const (
-	RunOnceMode    = "RunOnce"
-	ScheduledMode  = "Scheduled"
+	RunOnceMode   = "RunOnce"
+	ScheduledMode = "Scheduled"
 )
 
 type DomainConfig struct {
@@ -56,7 +56,7 @@ func (c *Config) Load(filePath string) error {
 		return fmt.Errorf("failed to validate config: %w", err)
 	}
 
-	return nil;
+	return nil
 }
 
 func (c *Config) validate() error {
@@ -68,5 +68,5 @@ func (c *Config) validate() error {
 		return errors.New("check interval must be set when mode is 'Scheduled'")
 	}
 
-	return nil;
-}
\ No newline at end of file
+	return nil
+}
diff --git a/pkg/dnsProvider/ionos/api/ionosAPI.go b/pkg/dnsProvider/ionos/api/ionosAPI.go
index 351dd0d..3f3d543 100644
--- a/pkg/dnsProvider/ionos/api/ionosAPI.go
+++ b/pkg/dnsProvider/ionos/api/ionosAPI.go
@@ -123,7 +123,7 @@ func (i *IonosAPIImpl) GetRecordId(zoneId string, tld string, subdomain string,
 	json.Unmarshal(responseBody, &zone)
 
 	var domain string
-	if subdomain == "@" || subdomain == "" { 
+	if subdomain == "@" || subdomain == "" {
 		domain = tld
 	} else {
 		domain = subdomain + "." + tld
@@ -171,8 +171,6 @@ func (i *IonosAPIImpl) SetARecord(tld string, subdomain string, ip net.IP, ttl i
 		return nil, errors.New("error updating record")
 	}
 
-	
-
 	changeRecord := ChangeRecord{}
 	json.Unmarshal(responseBody, &changeRecord)