Use docker publish action from starter workflows repo

Author: meffmadd

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

@@ -4,33 +4,49 @@ on:
   push:
     branches:
       - main
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
 
 jobs:
-  build-and-publish:
+  build:
+
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
+      - name: Checkout repository
+        uses: actions/checkout@v2
 
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
         with:
-          registry: ghcr.io
+          registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and Push Docker Image
-        uses: docker/build-push-action@v3
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
         with:
           context: .
-          push: true
-          tags: ghcr.io/${{ github.repository }}:latest
-          labels: |
-            com.github.repository=${{ github.repository }}
-            com.github.sha=${{ github.sha }}
-
-      - name: Image Details
-        run: |
-          echo "Image URL: ghcr.io/${{ github.repository }}:latest"
-          echo "Repository: $GITHUB_REPOSITORY"
-          echo "SHA: $GITHUB_SHA"
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}