.gitlab-ci.yml

stages:
  - test

before_script:
  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY

.test:
  stage: test
  image: docker:stable
  services:
    - docker:dind
  variables:
    DOCKER_HOST: tcp://docker:2375
    DOCKER_DRIVER: overlay2
    LINKED_SERVICE: "$TARGET:$TARGET"
  script:
    - docker pull "$CI_REGISTRY_IMAGE/base:$CI_COMMIT_BEFORE_SHA" || true
    - docker pull "$CI_REGISTRY_IMAGE/$TARGET:$CI_COMMIT_BEFORE_SHA" || true
    - docker build
      --cache-from "$CI_REGISTRY_IMAGE/base:$CI_COMMIT_BEFORE_SHA"
      --target base
      --tag "$CI_REGISTRY_IMAGE/base:$CI_COMMIT_SHA"
      .
    - docker push "$CI_REGISTRY_IMAGE/base:$CI_COMMIT_SHA"
    - docker build
      --cache-from "$CI_REGISTRY_IMAGE/base:$CI_COMMIT_SHA"
      --cache-from "$CI_REGISTRY_IMAGE/$TARGET:$CI_COMMIT_BEFORE_SHA"
      --target "$TARGET"
      --tag "$CI_REGISTRY_IMAGE/$TARGET:$CI_COMMIT_SHA"
      .
    - docker push "$CI_REGISTRY_IMAGE/$TARGET:$CI_COMMIT_SHA"
    - docker run $([[ "$LINKED_SERVICE" != '' ]] && echo "--link=$LINKED_SERVICE") "$CI_REGISTRY_IMAGE/$TARGET:$CI_COMMIT_SHA"
  tags:
    - docker

test-sqlite:
  extends: .test
  variables:
    TARGET: sqlite
    LINKED_SERVICE: ''

test-mysql:
  extends: .test
  variables:
    TARGET: mysql
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker run -d --name "$TARGET" -e MYSQL_ALLOW_EMPTY_PASSWORD=yes mysql:5

test-postgres:
  extends: .test
  variables:
    TARGET: postgres
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker run -d --name "$TARGET" postgres:latest