Update tags with meta

.github/workflows/docker-build-publish.yml

@@ -15,10 +15,29 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            cbcoutinho/app
+            ghcr.io/cbcoutinho/nextcloud-mcp-server
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
       - name: Log in to GitHub Container Registry
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
@@ -26,11 +45,8 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
-          context: .
-          file: Dockerfile
-          push: true
-          tags: ghcr.io/${{ github.repository }}:${{ github.sha }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}