.gitlab-ci.yml

stages:
  - pull
  - build
  - lint
  - push
  - cleanup
  - deploy

before_script:
  - docker login -u "gitlab-ci-token" -p "$CI_BUILD_TOKEN" "$CI_REGISTRY"

pull:
  stage: pull
  allow_failure: true
  script:
    - docker pull "$CI_REGISTRY_IMAGE"

build:
  stage: build
  script:
    - docker build --tag="$CI_PIPELINE_ID":"$CI_COMMIT_REF_NAME" --cache-from="$CI_REGISTRY_IMAGE":latest .

lint:
  stage: lint
  script:
    - export CI_PIPELINE_ID=$CI_PIPELINE_ID
    - export CI_BUILD_REF_NAME=$CI_COMMIT_REF_NAME
    - docker-compose -p "$CI_PIPELINE_ID" -f docker-compose.ci.yml run app flake8 .


push image:
  stage: push
  only:
    - master
    - tags
  script:
    - docker tag "$CI_PIPELINE_ID":"$CI_COMMIT_REF_NAME" "$CI_REGISTRY_IMAGE":"$CI_COMMIT_REF_NAME"
    - docker push "$CI_REGISTRY_IMAGE":"$CI_COMMIT_REF_NAME"


push latest:
  stage: push
  script:
    - docker tag "$CI_PIPELINE_ID":"$CI_COMMIT_REF_NAME" "$CI_REGISTRY_IMAGE":latest
    - docker push "$CI_REGISTRY_IMAGE":latest

cleanup:
  stage: cleanup
  when: always
  script:
    - docker rmi -f "$CI_PIPELINE_ID":"$CI_COMMIT_REF_NAME"
    - docker-compose -p "$CI_PIPELINE_ID" -f docker-compose.ci.yml down --remove-orphans

deploy to prod:
  when: manual
  stage: deploy
  only:
    - master
    - tags
  script:
    - docker-compose -f docker-compose.deploy.yml pull
    - docker-compose -f docker-compose.deploy.yml down --remove-orphans
    - docker-compose -f docker-compose.deploy.yml up -d