image: docker:latest

stages:
- test
- build

services:
- leenooks/ci-docker:dind

variables:
  VERSION: dind
  DOCKER_HOST: tcp://leenooks-ci-docker:2375

before_script:
- env|sort
- test -n "${REGISTRY}" # Needs to be set in project
- test -n "${IMAGE}"    # Needs to be set in project
- docker info
- docker version
- docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN ${REGISTRY}

test:
  stage: test
  script:
  - docker build -t ${IMAGE}:${VERSION} .
  - docker images
  only:
  - debug

build:
  stage: build
  script:
  - docker build -t ${IMAGE}:${VERSION} .
  - docker tag ${IMAGE}:${VERSION} ${REGISTRY}/${IMAGE}:${VERSION}
  - docker push ${REGISTRY}/${IMAGE}:${VERSION}
  tags:
  - docker
  only:
  - master