image: docker:stable

services:
  - docker:dind

variables:
  CONTAINER_IMAGE: registry.gitlab.com/$CI_PROJECT_PATH
  DOCKER_HOST: tcp://docker:2375
  DOCKER_DRIVER: overlay2

before_script:
  - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN registry.gitlab.com

build-debian:
  stage: build
  script:
    - docker pull $CONTAINER_IMAGE:debian || true
    - docker build --cache-from $CONTAINER_IMAGE:debian --tag $CONTAINER_IMAGE:$CI_COMMIT_SHA --tag $CONTAINER_IMAGE:debian -f Dockerfile.debian .
    - docker push $CONTAINER_IMAGE:$CI_COMMIT_SHA
    - docker push $CONTAINER_IMAGE:debian
  only:
    - master@openlp/runners

build-ubuntu:
  stage: build
  script:
    - docker pull $CONTAINER_IMAGE:ubuntu || true
    - docker build --cache-from $CONTAINER_IMAGE:ubuntu --tag $CONTAINER_IMAGE:$CI_COMMIT_SHA --tag $CONTAINER_IMAGE:ubuntu -f Dockerfile.ubuntu .
    - docker push $CONTAINER_IMAGE:$CI_COMMIT_SHA
    - docker push $CONTAINER_IMAGE:ubuntu
  only:
    - master@openlp/runners

build-fedora:
  stage: build
  script:
    - docker pull $CONTAINER_IMAGE:fedora || true
    - docker build --cache-from $CONTAINER_IMAGE:fedora --tag $CONTAINER_IMAGE:$CI_COMMIT_SHA --tag $CONTAINER_IMAGE:fedora -f Dockerfile.fedora .
    - docker push $CONTAINER_IMAGE:$CI_COMMIT_SHA
    - docker push $CONTAINER_IMAGE:fedora
  only:
    - master@openlp/runners