Development

Outside of docs

• CONTRIBUTING.md main contributing guide
• PROCESS.md contributing process
• GitLab Development Kit (GDK) to install a development version

Styleguides

• Documentation styleguide Use this styleguide if you are contributing to documentation.
• SQL Migration Style Guide for creating safe SQL migrations
• Testing standards and style guidelines
• UI guide for building GitLab with existing CSS styles and elements
• SQL guidelines for SQL guidelines

Process

• Code review guidelines for reviewing code and having code reviewed.

Backend howtos

• Architecture of GitLab
• CI setup for testing GitLab
• Gotchas to avoid
• How to dump production data to staging
• Instrumentation
• Performance guidelines
• Rake tasks for development
• Shell commands in the GitLab codebase
• Sidekiq debugging

Databases

• What requires downtime?
• Adding database indexes

Compliance

• Licensing for ensuring license compliance