Update docker-publish.yml

Author: rgarcia89

.github/workflows/docker-publish.yml

@@ -17,6 +17,9 @@ jobs:
       - name: Check out the repo
         uses: actions/checkout@v2
 
+      - name: Set env
+        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+      
       - name: Log in to Docker Hub
         uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
@@ -28,4 +31,4 @@ jobs:
         with:
           context: .
           push: true
-          tags: deniceg/pipeline-tools:${GITHUB_REF#refs/*/},deniceg/pipeline-tools:latest
+          tags: deniceg/pipeline-tools:${{ env.RELEASE_VERSION }},deniceg/pipeline-tools:latest