image: docker:stable

variables:
  DOCKER_TAG: $CI_BUILD_REF
  IMAGE_COMMIT: $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA
  IMAGE_TEST: $CI_REGISTRY_IMAGE:test
  IMAGE_NEXT: $CI_REGISTRY_IMAGE:next
  IMAGE_LATEST: $CI_REGISTRY_IMAGE:latest
  IMAGE_STABLE: $CI_REGISTRY_IMAGE:stable
  DOCKER_DRIVER: overlay2

before_script:
  ##
  ## Install ssh-agent if not already installed, it is required by Docker.
  ## (change apt-get to yum if you use an RPM-based image)
  ##
  - 'command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install openssh-client -y )'

  ##
  ## Run ssh-agent (inside the build environment)
  ##
  - echo "$USER"
  - eval $(ssh-agent -s)

  ##
  ## Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
  ## We're using tr to fix line endings which makes ed25519 keys work
  ## without extra base64 encoding.
  ## https://gitlab.com/gitlab-examples/ssh-private-key/issues/1#note_48526556
  ##
  - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -

  ##
  ## Create the SSH directory and give it the right permissions
  ##
  - mkdir -p ~/.ssh
  - chmod 700 ~/.ssh

  ##
  ## Optionally, if you will be using any Git commands, set the user name and
  ## and email.
  ##
  #- git config --global user.email "user@example.com"
  #- git config --global user.name "User name"

stages:
  - unit-testing
  #- build-test-image
  #- trigger-deploy-on-test-environment
  #- build-next-image
  #- trigger-deploy-on-next-environment
  - build-stable-image
  #- trigger-deploy-on-stable-environment

run-unit-tests:
  stage: unit-testing
  tags:
    - docker
  image:
    name: tarampampam/node:12-alpine
  script:
    - yarn install
    - yarn lint
    - yarn test
    #
    # Merged realease notes stage
    # Create release notes and upgrade version if branch is one of 'master', 'next', 'stable'
    - echo $CI_COMMIT_BRANCH
    - git branch
    - if [[ "$CI_COMMIT_BRANCH" =~ ^(master|next|stable)$ ]]; then
    - yarn release
    - fi