gitlab-ci.yml

# .gitlab-ci.yml
---
variables:
  DOCKER_HOST: tcp://docker:2375
  DOCKER_DRIVER: overlay2
  DOCKER_TLS_CERTDIR: ""
  GIT_DEPTH: 0
  GIT_SUBMODULE_STRATEGY: recursive
  SERVICE: mms
  DMC: ${SERVICE}-mgmt-dmc
  DMC_DIR: ${CI_PROJECT_DIR}/docker/
  DMC_IMAGE: $CI_REGISTRY_IMAGE/${DMC}
  GITHUB_DMC_REF: latest

include:
  - local: .gitlab/ci/*

# .gitlab/ci/login.yml
---
.docker_login:
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY

# .gitlab/ci/dmc.yml
---
include: ${CI_PROJECT_DIR}/.gitlab/ci/login.yml

# build management-container
build-dmc:
  services:
    - name: docker:dind
      alias: docker
  image: docker:git
  script:
    # clone DMC repo from GitHub
    - git clone --recursive --branch ${GITHUB_DMC_REF} --depth 1 https://github.com/T-Systems-MMS/docker-management-container ${DMC_DIR}/docker-management-container
    # get date for tagging the image
    - export DATE=$(date +"%F")
    # create Dockerfile with template from DMC repo
    - sh ${CI_PROJECT_DIR}/docker/docker-management-container/render.sh ${DMC_DIR}/${DMC}
    # build and tag image
    - docker build -t ${DMC_IMAGE}:${DATE} ${DMC_DIR}/${DMC}
    - docker tag ${DMC_IMAGE}:${DATE} ${DMC_IMAGE}:latest
    # push all images
    - docker push --all-tags ${DMC_IMAGE}
  extends:
    - .docker_login