gitlab-org / gitlab-ce

Learn using Shoulder.dev

Shoulder.dev transforms codebases into tailored learning experiences. Below are organized categories of the codebase to help you start with your initial focus.

Ruby on Rails Framework

Understanding the core framework used for the GitLab application. This includes concepts like models, controllers, views, routing, and database interactions.

GitLab API

Learn about the GitLab API, its endpoints, and how it’s used to interact with the platform from external applications.

GitLab GraphQL

Explore GitLab’s GraphQL API, understand its advantages over REST APIs, and learn how to use it for queries and mutations.

GitLab UI/UX

Understand the design principles, UI components, and user flows within the GitLab interface. This involves learning about the front-end technologies used like Vue.js, React.js, or JavaScript.

GitLab CI/CD

Dive deep into GitLab’s CI/CD features, including pipelines, jobs, runners, artifacts, and integrations with various build and deployment tools.

GitLab Security

Explore GitLab’s security features and architecture, including authentication, authorization, vulnerability scanning, and data protection mechanisms.

GitLab Database (PostgreSQL)

Understand the database schema, how data is stored and retrieved, and how to optimize database queries for improved performance.

GitLab Infrastructure

Learn about the various components that make up GitLab’s infrastructure, including web servers, application servers, databases, and load balancers.

GitLab Testing and Debugging

Understand GitLab’s testing framework (RSpec), code coverage, and debugging tools to identify and resolve issues within the codebase.

GitLab Architecture

Understand the overall system architecture, including its different components and how they interact. This includes front-end, back-end, and infrastructure layers.

GitLab Core Services

Explore the key services that power GitLab, such as the Git repository management, issue tracking, merge request, and wiki systems.

GitLab DevOps Concepts

Learn about various DevOps principles and practices that are implemented within GitLab, such as continuous integration, continuous delivery, infrastructure as code, and monitoring.

GitLab User Authentication and Authorization

Analyze how users are authenticated and authorized within the GitLab platform, including various authentication methods and role-based access controls.

GitLab Integrations

Understand how GitLab integrates with various third-party tools and services, including external CI/CD systems, chat platforms, and monitoring tools.

GitLab User Interface Components

Study the specific UI components used within GitLab, such as navigation bars, modals, forms, and tables.

GitLab Data Structures

Learn about the data structures used within the codebase, including arrays, hashes, and custom data objects.

GitLab Code Style and Conventions

Understand the established code style guidelines and conventions followed within the GitLab project, including naming conventions, code formatting, and comments.

GitLab Logging and Monitoring

Explore GitLab’s logging system, how logs are collected and analyzed, and how performance is monitored.

GitLab Deployment and Configuration Management

Learn about the processes and tools used for deploying and managing GitLab instances, including deployment pipelines, configuration files, and environment variables.

GitLab Container Registry and Package Management

Explore GitLab’s container registry and package management features, including how images are stored, managed, and accessed.

GitLab Sidekiq and Background Jobs

Understand how GitLab leverages Sidekiq for background processing tasks, including job queues, worker processes, and scheduling.