feat(CD): add latest tag

.github/workflows/backend_publish.yml

@@ -23,32 +23,25 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
 
-    - name: Get the Git commit hash
-      id: vars
-      run: |
-        # Get commit hash
-        echo "GIT_COMMIT_HASH=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
-
-        # Get the tag if exists
-        TAG=$(git describe --tags --exact-match 2>/dev/null || echo "")
-        echo "GIT_TAG=$TAG" >> $GITHUB_ENV
-
     - name: Log in to GitHub Container Registry
       uses: docker/login-action@v2
       with:
         registry: ghcr.io
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
+    - name: Determine Image Tag
+      id: tag
+      run: |
+        # Try to find a Git tag, otherwise use the short commit hash
+        TAG=$(git describe --tags --exact-match 2>/dev/null || git rev-parse --short HEAD)
+        echo "Tag or Commit: $TAG"
+        echo "::set-output name=image_tag::$TAG"
+    
     - name: Build and Publish Docker Image
-      working-directory: backend 
-      run: ./gradlew bootBuildImage
-      env:
-        GITHUB_REPOSITORY: ${{ github.repository }}
-        GITHUB_ACTOR: ${{ github.actor }}
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        GIT_TAG: ${{ env.GIT_TAG }}   # Pass the tag to Gradle
-        GIT_COMMIT_HASH: ${{ env.GIT_COMMIT_HASH }} # Pass the commit hash to Gradle
+      run: |
+        ./backend/gradlew bootBuildImage --imageName=ghcr.io/${{ github.repository }}:${{ steps.tag.outputs.image_tag }}
+        ./backend/gradlew bootBuildImage --imageName=ghcr.io/${{ github.repository }}:latest
 
     - name: Verify image
       run: docker images