Update publish-ghcr.yml

Author: henmohr

.github/workflows/publish-ghcr.yml

@@ -15,46 +15,30 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  push_to_registry:
-    name: Build and Push Docker Image
+  build:
     runs-on: ubuntu-latest
-    
-    permissions:
-      contents: read
-      packages: write
-      
     steps:
-      - name: Checkout repository
+      - name: Checkout
         uses: actions/checkout@v4
-        
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-        
-      - name: Log in to Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-          
-      - name: Extract metadata
+
+      - name: Extract Docker image metadata
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=ref,event=branch
-            type=sha,prefix=sha-
-            type=raw,value=latest,enable={{is_default_branch}}
-          
+          images: ghcr.io/${{ github.repository_owner }}/my-image
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v6
         with:
-          context: .docker
-          file: .docker/app/Dockerfile
-          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max