.container-build-common:
  stage: build
  interruptible: true
  variables:
    CONTEXT_LOCATION: $CI_PROJECT_DIR
    DOCKER_REGISTRY: $CI_REGISTRY_IMAGE
    DOCKER_REGISTRY_USER: $CI_REGISTRY_USER
    DOCKER_REGISTRY_PASSWORD: $CI_REGISTRY_PASSWORD
    EXTRA_ARGS: ""
  artifacts:
    paths:
      - image.tar

.container-build-jib-maven:
  extends: .container-build-common
  image: $MAVEN_IMAGE
  script:
    - >
      if [ "$CONTEXT_LOCATION" != "" ]; then
        cd $CONTEXT_LOCATION
      fi
    - mvn $MAVEN_CLI_OPTS jib:buildTar -DskipTests -Djib.outputPaths.tar=$CI_PROJECT_DIR/image.tar $EXTRA_ARGS

.container-build-jib-gradle:
  extends: .container-build-common
  image: $GRADLE_IMAGE
  variables:
    EXTRA_ARGS: $GRADLE_EXTRA_ARGS
  script:
    - >
      if [ "$CONTEXT_LOCATION" != "" ]; then
        cd $CONTEXT_LOCATION
      fi
    - ./gradlew --build-cache $GRADLE_OPTS $GRADLE_CLI_OPTS jibBuildTar -DskipTests -Djib.outputPaths.tar=$CI_PROJECT_DIR/image.tar $EXTRA_ARGS

.container-build-kaniko:
  extends: .container-build-common
  image:
    name: gcr.io/kaniko-project/executor:v1.9.1-debug
    entrypoint: [ "" ]
  variables:
    DOCKERFILE_LOCATION: $CI_PROJECT_DIR/Dockerfile
    REGISTRY_MIRROR: --registry-mirror nexus.corp.exxcellent.de:18000 --skip-tls-verify-registry nexus.corp.exxcellent.de:18000
  script:
    - mkdir -p /kaniko/.docker
    - echo "{\"auths\":{\"$DOCKER_REGISTRY\":{\"username\":\"$DOCKER_REGISTRY_USER\",\"password\":\"$DOCKER_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
    - >-
      /kaniko/executor 
      --context $CONTEXT_LOCATION 
      --dockerfile $DOCKERFILE_LOCATION 
      --no-push 
      --destination $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA 
      $EXTRA_ARGS 
      $REGISTRY_MIRROR 
      --tarPath image.tar