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Diffstat (limited to 'doc/ci/docker/using_docker_build.md')
| -rw-r--r-- | doc/ci/docker/using_docker_build.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/ci/docker/using_docker_build.md b/doc/ci/docker/using_docker_build.md index 2b3082acd5d..8620984d40d 100644 --- a/doc/ci/docker/using_docker_build.md +++ b/doc/ci/docker/using_docker_build.md @@ -308,6 +308,30 @@ push to the Registry connected to your project. Its password is provided in the `$CI_BUILD_TOKEN` variable. This allows you to automate building and deployment of your Docker images. +You can also make use of [other variables](../variables/README.md) to avoid hardcoding: + +```yaml +services: + - docker:dind + +variables: + IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_BUILD_REF_NAME + +before_script: + - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN $CI_REGISTRY + +build: + stage: build + script: + - docker build -t $IMAGE_TAG . + - docker push $IMAGE_TAG +``` + +Here, `$CI_REGISTRY_IMAGE` would be resolved to the address of the registry tied +to this project, and `$CI_BUILD_REF_NAME` would be resolved to the branch or +tag name for this particular job. We also declare our own variable, `$IMAGE_TAG`, +combining the two to save us some typing in the `script` section. + Here's a more elaborate example that splits up the tasks into 4 pipeline stages, including two tests that run in parallel. The `build` is stored in the container registry and used by subsequent stages, downloading the image |