fixing image tagging

Author: jkyberneees

.github/workflows/build_images.yaml

@@ -23,13 +23,14 @@ jobs:
           # SHORTREF=${GITHUB_SHA::8}
 
           # If this is git tag, use the tag name as a docker tag
-          if [[ $GITHUB_REF == refs/tags/* ]]; then
+          if [[ $GITHUB_REF == refs/tags/* ]]; 
+          then
             VERSION=${GITHUB_REF#refs/tags/v}
             TAGS="${DOCKER_IMAGE}:${VERSION}-alpine"
+          else
+            TAGS="${DOCKER_IMAGE}:latest"
           fi
 
-          TAGS="$TAGS,${DOCKER_IMAGE}:latest"
-
           # Set output parameters.
           echo ::set-output name=tags::${TAGS}
           echo ::set-output name=docker_image::${DOCKER_IMAGE}