컨테이너 이미지 빌드 및 레지스트리에 푸시하기

build:
  image: $CI_REGISTRY/group/project/docker:20.10.16
  services:
    - name: $CI_REGISTRY/group/project/docker:20.10.16-dind
      alias: docker
  stage: build
  script:
    - docker build -t my-docker-image .
    - docker run my-docker-image /script/to/run/tests

build:
  image: ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}/docker:20.10.16
  services:
    - name: ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}/docker:18.09.7-dind
      alias: docker
  stage: build
  script:
    - docker build -t my-docker-image .
    - docker run my-docker-image /script/to/run/tests

build:
  image: docker:20.10.16
  stage: build
  services:
    - docker:20.10.16-dind
  script:
    - echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin
    - docker build -t $CI_REGISTRY/group/project/image:latest .
    - docker push $CI_REGISTRY/group/project/image:latest

build:
  image: docker:20.10.16
  stage: build
  services:
    - docker:20.10.16-dind
  variables:
    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
  script:
    - echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin
    - docker build -t $IMAGE_TAG .
    - docker push $IMAGE_TAG

default:
  image: docker:20.10.16
  services:
    - docker:20.10.16-dind
  before_script:
    - echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin

stages:
  - build
  - test
  - release
  - deploy

variables:
  # https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#tls-enabled를 참고하여 TLS 사용 
  DOCKER_HOST: tcp://docker:2376
  DOCKER_TLS_CERTDIR: "/certs"
  CONTAINER_TEST_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
  CONTAINER_RELEASE_IMAGE: $CI_REGISTRY_IMAGE:latest

build:
  stage: build
  script:
    - docker build --pull -t $CONTAINER_TEST_IMAGE .
    - docker push $CONTAINER_TEST_IMAGE

test1:
  stage: test
  script:
    - docker pull $CONTAINER_TEST_IMAGE
    - docker run $CONTAINER_TEST_IMAGE /script/to/run/tests

test2:
  stage: test
  script:
    - docker pull $CONTAINER_TEST_IMAGE
    - docker run $CONTAINER_TEST_IMAGE /script/to/run/another/test

release-image:
  stage: release
  script:
    - docker pull $CONTAINER_TEST_IMAGE
    - docker tag $CONTAINER_TEST_IMAGE $CONTAINER_RELEASE_IMAGE
    - docker push $CONTAINER_RELEASE_IMAGE
  rules:
    - if: $CI_COMMIT_BRANCH == "main"

deploy:
  stage: deploy
  script:
    - ./deploy.sh
  rules:
    - if: $CI_COMMIT_BRANCH == "main"
  environment: production