Use github.ref_name to get the tag name

.github/workflows/release.yml → .github/workflows/release.yaml

@@ -25,15 +25,12 @@ jobs:
           username: ${{ secrets.REGISTRY_LOGIN }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
 
-      - name: Set env
-        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
-
       - name: Build and push
         uses: docker/build-push-action@v2
         with:
           context: .
           push: true
-          tags: "${{ env.DOCKER_IMAGE }}:${{ env.RELEASE_VERSION }}"
+          tags: "${{ env.DOCKER_IMAGE }}:${{ github.ref_name }}"
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
@@ -42,5 +39,5 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: ${{ env.RELEASE_VERSION }}
-          release_name: Release ${{ env.RELEASE_VERSION }}
+          tag_name: ${{ github.ref_name }}
+          release_name: Release ${{ github.ref_name }}