TAGS_ARRAY=() IMAGE_NAME="zabbix/zabbix-agent" RELEASE_VERSION="refs/tags/5.0.3" RELEASE_VERSION=${RELEASE_VERSION:10} GIT_BRANCH=${RELEASE_VERSION%.*} echo "::debug::Release version ${RELEASE_VERSION}. Branch ${GIT_BRANCH}" TAGS_ARRAY+=("$IMAGE_NAME:alpine-${RELEASE_VERSION}") if [ "alpine" == "alpine" ] && [ "${LATEST_BRANCH}" == "${GIT_BRANCH}" ]; then TAGS_ARRAY+=("$IMAGE_NAME:latest") fi TAGS=$(printf -- "--tag %s " "${TAGS_ARRAY[@]}") echo $TAGS