gitlabhq/doc/update/README.md

Depending on the installation method and your GitLab version, there are multiple update guides. Choose one that fits your needs.

CE to EE

• The CE to EE update guides the steps are very similar to a version upgrade: stop the server, get the code, update config files for the new functionality, install libs and do migrations, update the init script, start the application and check the application status.

EE to CE

• If you need to downgrade your EE installation back to CE, you can follow this guide to make the process as smooth as possible.

Omnibus Packages

• Omnibus update guide contains the steps needed to update a GitLab package.

Installation from source

• The individual upgrade guides are for those who have installed GitLab from source.
• The CE to EE update guides. The steps are very similar to a version upgrade: stop the server, get the code, update config files for the new functionality, install libs and do migrations, update the init script, start the application and check the application status.
• Upgrader is an automatic ruby script that performs the update for installations from source.
• Patch versions guide includes the steps needed for a patch version, eg. 6.2.0 to 6.2.1.

Miscellaneous

• MySQL to PostgreSQL guides you through migrating your database from MySQL to PostgreSQL.