# avoids unecessary repulling of node modules
cache:
  paths:
    - node_modules/

stages:
  - lint
  #- test
  - build
  - deploy

variables:
  IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
  IMAGE_LATEST: $CI_REGISTRY_IMAGE:develop


.node:
  image: ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}/node:latest


.docker:
  image: ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}/docker:20
  rules:
  - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_COMMIT_TAG
    variables:
      IMAGE_LATEST: $CI_REGISTRY_IMAGE:latest
  - if: $CI_COMMIT_TAG


linter:
  image: !reference [.node, image]
  stage: lint
  before_script:
    - yarn install
  script:
    - yarn lint


build:
  image: !reference [.docker, image]
  stage: build
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  script:
    - docker build -t $IMAGE_TAG .
  after_script:
    - docker save $IMAGE_TAG > docker.tar
  artifacts:
    expire_in: 30 mins
    paths:
      - docker.tar
  rules:
    - !reference [.docker, rules]


push:
  image: !reference [.docker, image]
  stage: deploy
  needs: 
    - job: build
      artifacts: true
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker load -i docker.tar
  script:
    - docker tag $IMAGE_TAG $IMAGE_LATEST
    - docker push $IMAGE_TAG
    - docker push $IMAGE_LATEST
  rules:
    - !reference [.docker, rules]