Merge pull request #424 from prometheus/sdurrheimer/fix-circleci-regex

circleci : fix missing regex update for v-prefiexed tags

circle.yml

@@ -53,7 +53,7 @@ deployment:
       - docker login -e $DOCKER_EMAIL -u $DOCKER_LOGIN -p $DOCKER_PASSWORD
       - docker login -e $QUAY_EMAIL -u $QUAY_LOGIN -p $QUAY_PASSWORD quay.io
       - |
-        if [[ "$CIRCLE_TAG" =~ ^[0-9]+(\.[0-9]+){2}$ ]]; then
+        if [[ "$CIRCLE_TAG" =~ ^v[0-9]+(\.[0-9]+){2}$ ]]; then
           docker tag "$DOCKER_IMAGE_NAME:$CIRCLE_TAG" "$DOCKER_IMAGE_NAME:latest"
           docker tag "$QUAY_IMAGE_NAME:$CIRCLE_TAG" "$QUAY_IMAGE_NAME:latest"
         fi