services:
  - docker:19.03.7-dind
stages:
  - build_jar
  - build_docker_image

build:
  image: maven:3.6.3-jdk-11-slim
  stage: build_jar
  only:
    - master
  script:
    # maven build
    - echo "=====maven build start====="
    - mvn clean install
    - echo "=====maven build end====="
  tags:
    - test

docker-build:
  variables:
    # do not clone again
    GIT_STRATEGY: none
  stage: build_docker_image
  only:
    - master
  script:
    # make docker image and push to local docker
    - echo "=====make docker image and push to local docker start====="
    - sudo docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - sudo docker build -t $CI_REGISTRY/root/registry/skfems/comm .
    - echo "=====make docker image and push to local docker end====="
    # push local image to local registry
    - echo "=====push local image to local registry start====="
    - sudo docker push $CI_REGISTRY/root/registry/skfems/comm
    - sudo docker rmi $CI_REGISTRY/root/registry/skfems/comm
    - echo "=====push local image to local registry end====="
  tags:
    - test