1build-image:
2  image: docker:stable
3  services:
4    - docker:stable-dind
5  stage: build
6  script:
7    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
8    - docker build . -t $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
9    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA