Development

• Architecture of GitLab
• CI setup for testing GitLab
• Code review guidelines for reviewing code and having code reviewed.
• Gotchas to avoid
• How to dump production data to staging
• Instrumentation
• Migration Style Guide for creating safe migrations
• Performance guidelines
• Rake tasks for development
• Shell commands in the GitLab codebase
• Sidekiq debugging
• SQL guidelines for SQL guidelines
• Testing standards and style guidelines
• UI guide for building GitLab with existing css styles and elements