.gitlab-ci.yml

stages:
  - protos
  - build
  - release

variables:
  GIT_DEPTH: 10
  DOCKER_HOST: tcp://docker:2376
  DOCKER_TLS_CERTDIR: "/certs"
  GRPC_TAG: registry.gitlab.com/couchers/grpc:latest
  PROXY_RELEASE_TAG: $CI_REGISTRY_IMAGE/proxy:latest
  NGINX_RELEASE_TAG: $CI_REGISTRY_IMAGE/nginx:latest
  BACKEND_RELEASE_TAG: $CI_REGISTRY_IMAGE/backend:latest
  SLUG: $CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA
  PROXY_TAG: $CI_REGISTRY_IMAGE/proxy:$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA
  NGINX_TAG: $CI_REGISTRY_IMAGE/nginx:$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA
  BACKEND_TAG: $CI_REGISTRY_IMAGE/backend:$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA

default:
  image: docker
  services:
    - docker:19.03.12-dind
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY


protos:
  needs: []
  stage: protos
  image: $GRPC_TAG
  inherit:
    # the grpc container doesn't have docker, no need to login
    default: false
  script:
    - cd src && ./generate_protos.sh
  artifacts:
    paths:
      - ./


build:proxy:
  needs: ["protos"]
  stage: build
  script:
    - docker pull $PROXY_RELEASE_TAG || true
    - docker build --build-arg version=$SLUG --cache-from $PROXY_RELEASE_TAG -t $PROXY_TAG proxy/
    - docker push $PROXY_TAG

build:nginx:
  needs: []
  stage: build
  script:
    - docker pull $NGINX_RELEASE_TAG || true
    - docker build --build-arg version=$SLUG --cache-from $NGINX_RELEASE_TAG -t $NGINX_TAG nginx/
    - docker push $NGINX_TAG

build:backend:
  needs: ["protos"]
  stage: build
  script:
    - docker pull $BACKEND_RELEASE_TAG || true
    - docker build --build-arg version=$SLUG --cache-from $BACKEND_RELEASE_TAG -t $BACKEND_TAG src/
    - docker push $BACKEND_TAG


release:proxy:
  stage: release
  script:
    - docker pull $PROXY_TAG
    - docker tag $PROXY_TAG $PROXY_RELEASE_TAG
    - docker push $PROXY_RELEASE_TAG

release:nginx:
  stage: release
  script:
    - docker pull $NGINX_TAG
    - docker tag $NGINX_TAG $NGINX_RELEASE_TAG
    - docker push $NGINX_RELEASE_TAG

release:backend:
  stage: release
  script:
    - docker pull $BACKEND_TAG
    - docker tag $BACKEND_TAG $BACKEND_RELEASE_TAG
    - docker push $BACKEND_RELEASE_TAG