Optimize: Migrate mischlabs fully to Gitea Local Package Registry

.github/workflows/docker-build.yml

@@ -1,12 +1,12 @@
-name: Build & Push Docker Image to GHCR
+name: Build & Push Docker Image to Gitea Registry
 
 on:
   push:
     branches: [master]
 
 env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: kroonk/mischlabs
+  REGISTRY: git.mischlabs.de
+  REGISTRY_IMAGE: git.mischlabs.de/mrdiderot/mischlabs
 
 jobs:
   build-and-push:
@@ -40,16 +40,20 @@ jobs:
           fi
           docker --version
 
-      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ secrets.GHCR_USERNAME }}
-          password: ${{ secrets.GHCR_TOKEN }}
+      - name: Log in to Gitea Package Registry
+        shell: sh
+        run: |
+          if [ -z "${{ secrets.REGISTRY_USER }}" ] || [ -z "${{ secrets.REGISTRY_TOKEN }}" ]; then
+            echo "Missing registry credentials."
+            echo "Create repository secrets REGISTRY_USER and REGISTRY_TOKEN."
+            echo "REGISTRY_TOKEN must be a Gitea access token with package write permission."
+            exit 1
+          fi
+          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "${{ env.REGISTRY }}" -u "${{ secrets.REGISTRY_USER }}" --password-stdin
 
       - name: Build and push Docker image
         shell: sh
         run: |
-          docker build -t ghcr.io/kroonk/mischlabs:latest -t ghcr.io/kroonk/mischlabs:${{ github.sha }} .
-          docker push ghcr.io/kroonk/mischlabs:latest
-          docker push ghcr.io/kroonk/mischlabs:${{ github.sha }}
+          docker build -t ${{ env.REGISTRY_IMAGE }}:latest -t ${{ env.REGISTRY_IMAGE }}:${{ github.sha }} .
+          docker push ${{ env.REGISTRY_IMAGE }}:latest
+          docker push ${{ env.REGISTRY_IMAGE }}:${{ github.sha }}

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   mischlabs:
-    image: ghcr.io/kroonk/mischlabs:latest
+    image: git.mischlabs.de/mrdiderot/mischlabs:latest
     container_name: mischlabs
     restart: unless-stopped
     ports: