feature-docker-build (#6)

Reviewed-on: https://git.t000-n.de/tbehrendt/ts3gotify/pulls/6

.drone.yml

@@ -1,15 +1,57 @@
 ---
 kind: pipeline
-name: Testing
+type: docker
+name: default
 
 steps:
-  - name: spellcheck
+  - name: prep
     image: node:18.12.1
+    volumes:
+      - name: modules
+        path: /drone/rsc/node_modules
     commands:
       - npm install
+
+  - name: spellcheck
+    image: node:18.12.1
+    depends_on:
+      - prep
+    volumes:
+      - name: modules
+        path: /drone/rsc/node_modules
+    commands:
       - npm run check:spell
   - name: lint
     image: node:18.12.1
+    depends_on:
+      - prep
+    volumes:
+      - name: modules
+        path: /drone/rsc/node_modules
     commands:
-      - npm install
       - npm run check:code
+
+  - name: build-push
+    image: plugins/docker
+    depends_on:
+      - spellcheck
+      - lint
+    when:
+      branch:
+        - main
+      event:
+        - push
+    settings:
+      registry: git.t000-n.de
+      username:
+        from_secret: docker-registry-login
+      password:
+        from_secret: docker-registry-token
+      repo: git.t000-n.de/${DRONE_REPO}
+      tags:
+        - ${DRONE_COMMIT_SHA:0:8}
+        - latest
+
+volumes:
+  - name: modules
+    temp: {}