.gitlab-ci.yml

# Variables
variables:
  DOCKER_DRIVER: "overlay2"
  DOCKER_HOST: "tcp://docker:2376"
  DOCKER_TLS_VERIFY: 1
  DOCKER_TLS_CERTDIR: "/certs"
  DOCKER_CERT_PATH: "/certs/client"

# Anchors
.build-cmd: &build-cmd |-
  docker build --pull --build-arg="TAG=${TAG}" -t "${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}" .
  docker push "${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}"

.build:
  stage: build
  image: docker:20
  services:
    - docker:20-dind
  variables:
    TAG: "3.13"
  before_script:
    - docker login -u "${CI_REGISTRY_USER}" -p "${CI_REGISTRY_PASSWORD}" ${CI_REGISTRY}
  script:
    - *build-cmd

# Jobs
build-master:
  extends: .build
  script:
    - *build-cmd
    - docker tag "${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}" "${CI_REGISTRY_IMAGE}:latest"
    - docker push "${CI_REGISTRY_IMAGE}:latest"
  only:
    - master

build-master-edge:
  extends: .build
  variables:
    TAG: edge
  script:
    - *build-cmd
    - docker tag "${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}" "${CI_REGISTRY_IMAGE}:${TAG}"
    - docker push "${CI_REGISTRY_IMAGE}:${TAG}"
  only:
    - master

build:
  extends: .build
  except:
    - master