image: docker:latest

stages:
  - build
  - release
  - deploy

#services:
#  - docker:dind

variables:
#  DOCKER_HOST: tcp://docker:2375
  DOCKER_HOST: unix:///var/run/docker.sock

#before_script:
#  - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}

pre:
  stage: build
  tags:
#    - dind
    - socket
  script:
    - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}
    - docker version
    - docker info

build:
  stage: build
  tags:
#    - dind
    - socket
  script:
    - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}
    - cd docker/
    - docker build --pull -t ${CI_REGISTRY_IMAGE}:${CI_BUILD_REF} .
    - docker push ${CI_REGISTRY_IMAGE}:${CI_BUILD_REF}

release-image:
  stage: release
  only:
    - tags
  tags:
#    - dind
    - socket
  script:
    - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}
    - echo "pull previous build"
    - docker pull ${CI_REGISTRY_IMAGE}:${CI_BUILD_REF}
    - echo "push tagged image"
    - docker tag ${CI_REGISTRY_IMAGE}:${CI_BUILD_REF} ${CI_REGISTRY_IMAGE}:${CI_BUILD_TAG}
    - docker push ${CI_REGISTRY_IMAGE}:${CI_BUILD_TAG}
    - echo "push latest image"
    - docker tag ${CI_REGISTRY_IMAGE}:${CI_BUILD_REF} ${CI_REGISTRY_IMAGE}:latest
    - docker push ${CI_REGISTRY_IMAGE}:latest
    
deploy-container:
  stage: deploy
  when: manual
#  only:
#    - tags
  image: debian:jessie
  tags:
    - socket
  variables:
    DOCKER_HOST: unix:///var/run/docker.sock
  script:
    - ./docker-install
    - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}
    - docker-compose up -d
#    - docker run -dit ${CI_REGISTRY_IMAGE}:${CI_BUILD_TAG} sh