Reuse metadata for test builds

And don't add 'latest' tag manually - the action adds it automatically

Author: tpoliaw

.github/workflows/publish.yaml

@@ -18,6 +18,14 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Generate Metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}}
+
       - name: Build image
         uses: docker/build-push-action@v6
         env:
@@ -26,7 +34,7 @@ jobs:
           context: .
           cache-from: type=gha
           cache-to: type=gha
-          tags: ci_test
+          tags: ${{ steps.meta.outputs.tags }}
           load: true
 
       - name: Login to GHCR
@@ -37,15 +45,6 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Generate Metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ghcr.io/${{ github.repository }}
-          tags: |
-            type=ref,event=tag
-            type=raw,value=latest
-
       - name: Publish image
         if: ${{ github.event_name == 'push' && github.ref_type == 'tag' }}
         uses: docker/build-push-action@v6