.maven-build:
  stage: build
  image: $MAVEN_IMAGE
  before_script:
    - >
      if [ "$BACKEND_DIR" != "" ]; then
        cd $BACKEND_DIR
      fi
    - >
      if [ ! -z "$CI_COMMIT_TAG" ]; then
        mvn $MVN_EXTRA_ARGS $MAVEN_CLI_OPTS versions:set -DnewVersion=$CI_COMMIT_TAG -DgenerateBackupPoms=false
      fi
  script:
    - "cd $BACKEND_DIR"
    - mvn $MAVEN_CLI_OPTS package $MAVEN_CLI_BUILD_OPTS -DskipTests
  artifacts:
    expire_in: 2 weeks
    when: always
    paths:
      - "**/target/"