extended github action with proper tags/labels

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

@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - 'main'
+    tags:
+      - 'v*'
   pull_request:
 
 jobs:
@@ -16,8 +18,15 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
 
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/${{ github.repository }}
+
       - name: Login to Github Packages
         uses: docker/login-action@v1
+        if: github.event_name != 'pull_request'
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -27,5 +36,7 @@ jobs:
         id: docker_build
         uses: docker/build-push-action@v2
         with:
-          push: ${{ github.ref == 'refs/heads/main' }}
-          tags: ghcr.io/chaoswest-tv/concierge:latest
+          context: .
+          push: ${{ github.event_name != 'pull_request'}}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}