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debian-mirror-gitlab/doc/development/documentation/site_architecture/deployment_process.md
Pirate Praveen c7883f9ba0 New upstream version 13.3.8
2020-10-24 23:57:45 +05:30

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Documentation deployment process

The dockerfiles directory contains all needed Dockerfiles to build and deploy https://docs.gitlab.com. It is heavily inspired by Docker's Dockerfile.

The following Dockerfiles are used.

Dockerfile Docker image Description
Dockerfile.bootstrap gitlab-docs:bootstrap Contains all the dependencies that are needed to build the website. If the gems are updated and Gemfile{,.lock} changes, the image must be rebuilt.
Dockerfile.builder.onbuild gitlab-docs:builder-onbuild Base image to build the docs website. It uses ONBUILD to perform all steps and depends on gitlab-docs:bootstrap.
Dockerfile.nginx.onbuild gitlab-docs:nginx-onbuild Base image to use for building documentation archives. It uses ONBUILD to perform all required steps to copy the archive, and relies upon its parent Dockerfile.builder.onbuild that is invoked when building single documentation archives (see the Dockerfile of each branch.
Dockerfile.archives gitlab-docs:archives Contains all the versions of the website in one archive. It copies all generated HTML files from every version in one location.

How to build the images

Although build images are built automatically via GitLab CI/CD, you can build and tag all tooling images locally:

  1. Make sure you have Docker installed.

  2. Make sure you're in the dockerfiles/ directory of the gitlab-docs repository.

  3. Build the images:

    docker build -t registry.gitlab.com/gitlab-org/gitlab-docs:bootstrap -f Dockerfile.bootstrap ../
docker build -t registry.gitlab.com/gitlab-org/gitlab-docs:builder-onbuild -f Dockerfile.builder.onbuild ../
docker build -t registry.gitlab.com/gitlab-org/gitlab-docs:nginx-onbuild -f Dockerfile.nginx.onbuild ../

For each image, there's a manual job under the images stage in .gitlab-ci.yml which can be invoked at will.

Update an old Docker image with new upstream docs content

If there are any changes to any of the stable branches of the products that are not included in the single Docker image, just rerun the pipeline (https://gitlab.com/gitlab-org/gitlab-docs/pipelines/new) for the version in question.

Porting new website changes to old versions

CAUTION: Warning: Porting changes to older branches can have unintended effects as we're constantly changing the backend of the website. Use only when you know what you're doing and make sure to test locally.

The website will keep changing and being improved. In order to consolidate those changes to the stable branches, we'd need to pick certain changes from time to time.

If this is not possible or there are many changes, merge master into them:

git branch 12.0
git fetch origin master
git merge origin/master