Error if branch name is not correct

.github/workflows/build.yml

@@ -36,7 +36,6 @@ jobs:
           context: ./
           file: ./Dockerfile
           push: false
-          tags: ${{ secrets.DOCKER_HUB_USERNAME }}/qp_demo:${{ GITHUB_REF#refs/heads/ }}.${{ GITHUB_SHA::8 }}
 
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/deploy.yml

@@ -25,16 +25,21 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v2
 
+      - name: Extract branch name
+        shell: bash
+        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+        id: extract_branch
+
       - name: Get Docker tag from branch name
         id: extract_docker_tag
         shell: bash
         run: |
-          if [ "${{ GITHUB_REF#refs/heads/ }}" == "master" ]; then
+          if [ "${{ steps.extract_branch.outputs.branch }}" == "master" ]; then
             echo "##[set-output name=tag;]$(echo 'latest')"
-          elif [[ "${{ GITHUB_REF#refs/heads/ }}" == release_* ]]; then
-            echo "##[set-output name=tag;]$(echo '${{ GITHUB_REF#refs/heads/ }}' | cut -d '_' -f2-)"
+          elif [[ "${{ steps.extract_branch.outputs.branch }}" == release_* ]]; then
+            echo "##[set-output name=tag;]$(echo '${GITHUB_REF#refs/heads/}' | cut -d '_' -f2-)"
           else
-            echo "##[set-output name=tag;]$(echo 'ghtest')"
+            exit 1
           fi
 
       - name: Login to Docker Hub