.gitlab-ci.yml

image: docker:18.09.8
services:
  - docker:18.09.8-dind

stages:
  - build

cache:
  paths:
    - .cache/

before_script:
  - docker info
  - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  - mkdir -p .cache/apk && ln -sf `pwd`/.cache/apk /etc/apk/cache

setup_cache:
  stage: .pre
  script:
    - apk update
    - apk add git

.docker_build_template: &docker_build
  stage: build
  script:
    - apk add git
    - git archive --output=docker/opendiamond-HEAD.tar.gz HEAD
    - |
      [ "$CI_COMMIT_REF_NAME" = "master" ] && IMAGE_TAG="$CI_REGISTRY_IMAGE" ||
        IMAGE_TAG="$CI_REGISTRY_IMAGE/$CI_COMMIT_REF_NAME"
    - docker pull $IMAGE_TAG:$DIST || true
    - |
      docker build -t $IMAGE_TAG:$DIST -f docker/Dockerfile.$DIST \
        --cache-from $IMAGE_TAG:$DIST \
        --build-arg PIP_INDEX_URL=http://$PROXPI_SERVICE_HOST:5000/index/ \
        --build-arg PIP_TRUSTED_HOST=$PROXPI_SERVICE_HOST \
        docker
    - docker push $IMAGE_TAG:$DIST \
  cache:
    policy: pull

# Discontinued distribution?
#build.centos6:
#  <<: *docker_build
#  variables:
#    DIST: centos6

# Unclear how to properly fix xml2rfc errors
#build.centos7:
# <<: *docker_build
#  variables:
#    DIST: centos7

build.buster:
  <<: *docker_build
  variables:
    DIST: buster

build.xenial:
  <<: *docker_build
  variables:
    DIST: xenial