stages:
  - build
  - deploy


clean-old:
  stage: clean
  image:
    name: docker/compose:1.28.0
    entrypoint: [""]
  allow_failure: true
  variables:
    PRODUCTION_BRANCH: main
    STAGING_BRANCH: "staging"
    DEPLOY_TO: "staging"
  rules:
    - if: $CI_COMMIT_BRANCH == $PRODUCTION_BRANCH || $CI_COMMIT_BRANCH == $STAGING_BRANCH
  when: on_success
  before_script:
    - echo DEPLOY_TO = $DEPLOY_TO
  script:
    - docker-compose -f deployments/$DEPLOY_TO/docker-compose.yaml down --volumes --rmi local

build-app:
  stage: build
  image:
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: [""]
  variables:
    DOCKER_BUILD_PATH: "./Dockerfile"
    STAGING_BRANCH: "staging"
    PRODUCTION_BRANCH: "main"
  rules:
    - if: $CI_COMMIT_BRANCH == $PRODUCTION_BRANCH || $CI_COMMIT_BRANCH == $STAGING_BRANCH
  when: on_success
  before_script:
    - echo PRODUCTION_BRANCH = $PRODUCTION_BRANCH
    - echo STAGING_BRANCH = $STAGING_BRANCH
    - echo CI_REGISTRY = $CI_REGISTRY
    - echo CI_REGISTRY_USER = $CI_REGISTRY_USER
    - echo CI_PROJECT_DIR = $CI_PROJECT_DIR
    - echo CI_REGISTRY_IMAGE = $CI_REGISTRY_IMAGE
    - echo CI_COMMIT_REF_SLUG = $CI_COMMIT_REF_SLUG
    - echo DOCKER_BUILD_PATH = $DOCKER_BUILD_PATH
    - echo CI_PIPELINE_ID = $CI_PIPELINE_ID
  script:
    - mkdir -p /kaniko/.docker
    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
    - |
      /kaniko/executor --context $CI_PROJECT_DIR \
      --cache=true --cache-repo=$CI_REGISTRY_IMAGE \
      --dockerfile $CI_PROJECT_DIR/$DOCKER_BUILD_PATH --target production \
      --destination $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG.$CI_PIPELINE_ID

deploy-to-staging:
  stage: deploy
  image:
    name: docker/compose:1.28.0
    entrypoint: [""]
  variables:
    DEPLOY_TO: "staging"
    BRANCH: "staging"
  rules:
    - if: $CI_COMMIT_BRANCH == $BRANCH
  before_script:
    - echo CI_PROJECT_NAME = $CI_PROJECT_NAME
    - echo CI_REGISTRY = $CI_REGISTRY
    - echo REGISTRY_USER = $REGISTRY_USER
    - echo REGISTRY_TOKEN = $REGISTRY_TOKEN
    - echo DEPLOY_TO = $DEPLOY_TO
    - echo BRANCH = $BRANCH
  script:
    - docker login -u $REGISTRY_USER -p $REGISTRY_TOKEN $CI_REGISTRY
    - docker-compose -f deployments/$DEPLOY_TO/docker-compose.yaml up -d