.gitlab-ci.yml

image: docker:20.10.23

variables:
  DOCKER_TLS_CERTDIR: "/certs"

services:
  - docker:20.10.23-dind

build:
  stage: build
  before_script:
    - export
    - docker info
    - docker --version
    - pwd
    - ls -al
  script:
    - docker buildx bake --load
    - mkdir image
    - docker save $(docker buildx bake --print | grep ubuntu18.04 | cut -d '"' -f 2) -o image/images.tar
  artifacts:
    paths:
      - image
  tags:
    - dind

test:
  stage: test
  needs:
    - job: build
      artifacts: true
  script:
    - docker load -i image/images.tar
    - docker compose up -d gcc11 # to test if the builds worked, see if gcc11 container can be created
  tags:
    - dind

deploy:
  stage: deploy
  needs:
    - job: build
      artifacts: true
    - job: test
      artifacts: false
  script:
    - docker login -u "$DOCKERHUB_USER" -p "$DOCKERHUB_TOKEN"
    - docker load -i image/images.tar
    - |
      for image in $(docker buildx bake --print | grep ubuntu18.04 | cut -d '"' -f2)
      do
        docker image push $image& # Push all images in parallel
      done
      wait # wait for all pushes to finish
  tags:
    - dind