gitlab-org--gitlab-foss/doc/README.md

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description: 'Learn how to use and administer GitLab, the most scalable Git-based fully integrated platform for software development.'
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  <h3>Visit <a href="https://docs.gitlab.com/ee/">docs.gitlab.com</a> for the latest version
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# GitLab Docs

Welcome to [GitLab](https://about.gitlab.com/) documentation.

Here you can access the complete documentation for GitLab, the single application for the
[entire DevOps lifecycle](#the-entire-devops-lifecycle).

## Overview

No matter how you use GitLab, we have documentation for you.

| Essential documentation                                                                                              | Essential documentation                                                                                                    |
|:---------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------|
| [**User documentation**](user/index.md)<br>Discover features and concepts for GitLab users.                          | [**Administrator documentation**](administration/index.md)<br/>Everything GitLab self-managed administrators need to know. |
| [**Contributing to GitLab**](#contributing-to-gitlab)<br/>At GitLab, everyone can contribute!                        | [**New to Git and GitLab?**](#new-to-git-and-gitlab)<br/>We have the resources to get you started.                         |
| [**Build an integration with GitLab**](#build-an-integration-with-gitlab)<br/>Consult our integration documentation. | [**Coming to GitLab from another platform?**](#coming-to-gitlab-from-another-platform)<br/>Consult our guides.             |
| [**Install GitLab**](https://about.gitlab.com/install/)<br/>Installation options for different platforms.            | [**Customers**](subscriptions/index.md)<br/>Information for new and existing customers.                                    |
| [**Update GitLab**](update/README.md)<br/>Update your GitLab self-managed instance to the latest version.            | [**Reference Architectures**](administration/reference_architectures/index.md)<br/>GitLab reference architectures        |
| [**GitLab releases**](https://about.gitlab.com/releases/)<br/>What's new in GitLab.                                  |                                                                                                                            |

## Popular topics

Have a look at some of our most popular topics:

| Popular topic                                                                                              | Description                                                                |
|:-----------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------|
| [Two-factor authentication](user/profile/account/two_factor_authentication.md)                             | Improve the security of your GitLab account.                               |
| [GitLab groups](user/group/index.md)                                                                       | Manage projects together.                                                  |
| [GitLab CI/CD pipeline configuration reference](ci/yaml/README.md)                                         | Available configuration options for `.gitlab-ci.yml` files.                |
| [Activate GitLab EE with a license](user/admin_area/license.md) **(STARTER ONLY)**                         | Activate GitLab Enterprise Edition functionality with a license.           |
| [Back up and restore GitLab](raketasks/backup_restore.md) **(CORE ONLY)**                                  | Rake tasks for backing up and restoring GitLab self-managed instances.     |
| [GitLab release and maintenance policy](policy/maintenance.md)                                             | Policies for version naming and cadence, and also upgrade recommendations. |
| [Elasticsearch integration](integration/elasticsearch.md) **(STARTER ONLY)**                               | Integrate Elasticsearch with GitLab to enable advanced searching.          |
| [Omnibus GitLab database settings](https://docs.gitlab.com/omnibus/settings/database.html) **(CORE ONLY)** | Database settings for Omnibus GitLab self-managed instances.               |
| [Omnibus GitLab NGINX settings](https://docs.gitlab.com/omnibus/settings/nginx.html) **(CORE ONLY)**       | NGINX settings for Omnibus GitLab self-managed instances.                  |
| [Omnibus GitLab SSL configuration](https://docs.gitlab.com/omnibus/settings/ssl.html) **(CORE ONLY)**      | SSL settings for Omnibus GitLab self-managed instances.                    |
| [GitLab.com settings](user/gitlab_com/index.md)                                                            | Settings used for GitLab.com.                                              |

## The entire DevOps lifecycle

GitLab is the first single application for software development, security,
and operations that enables [Concurrent DevOps](https://about.gitlab.com/topics/concurrent-devops/).
GitLab makes the software lifecycle faster and radically improves the speed of business.

GitLab provides solutions for [each of the stages of the DevOps lifecycle](https://about.gitlab.com/stages-devops-lifecycle/).

## New to Git and GitLab?

Working with new systems can be daunting.

We have the following documentation to rapidly uplift your GitLab knowledge:

| Topic                                                                                             | Description                                                    |
|:--------------------------------------------------------------------------------------------------|:---------------------------------------------------------------|
| [GitLab basics guides](gitlab-basics/README.md)                                                   | Start working on the command line and with GitLab.             |
| [GitLab workflow overview](https://about.gitlab.com/blog/2016/10/25/gitlab-workflow-an-overview/) | Enhance your workflow with the best of GitLab Workflow.        |
| [Get started with GitLab CI/CD](ci/quick_start/README.md)                                         | Quickly implement GitLab CI/CD.                                |
| [Auto DevOps](topics/autodevops/index.md)                                                         | Learn more about Auto DevOps in GitLab.                         |
| [GitLab Markdown](user/markdown.md)                                                               | Advanced formatting system (GitLab Flavored Markdown) |

### User account

Learn more about GitLab account management:

| Topic                                                      | Description                                                                                                                |
|:-----------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------|
| [User account](user/profile/index.md)                      | Manage your account.                                                                                                       |
| [Authentication](topics/authentication/index.md)           | Account security with two-factor authentication, set up your SSH keys, and deploy keys for secure access to your projects. |
| [Profile settings](user/profile/index.md#profile-settings) | Manage your profile settings, two factor authentication, and more.                                                         |
| [User permissions](user/permissions.md)                    | Learn what each role in a project can do.                                                                                  |

### Git and GitLab

Learn more about using Git, and using Git with GitLab:

| Topic                                                                        | Description                                                                |
|:-----------------------------------------------------------------------------|:---------------------------------------------------------------------------|
| [Git](topics/git/index.md)                                                   | Getting started with Git, branching strategies, Git LFS, and advanced use. |
| [Git cheat sheet](https://about.gitlab.com/images/press/git-cheat-sheet.pdf) | Download a PDF describing the most used Git operations.                    |
| [GitLab Flow](topics/gitlab_flow.md)                                         | Explore the best of Git with the GitLab Flow strategy.                     |

## Coming to GitLab from another platform

If you are coming to GitLab from another platform, the following information is useful:

| Topic                                               | Description                                                                            |
|:----------------------------------------------------|:---------------------------------------------------------------------------------------|
| [Importing to GitLab](user/project/import/index.md) | Import your projects from GitHub, Bitbucket, GitLab.com, FogBugz, and SVN into GitLab. |
| [Migrating from SVN](user/project/import/svn.md)    | Convert a SVN repository to Git and GitLab.                                            |

## Build an integration with GitLab

There are many ways to integrate with GitLab, including:

| Topic                                      | Description                                  |
|:-------------------------------------------|:---------------------------------------------|
| [GitLab REST API](api/README.md)           | Integrate with GitLab using our REST API.    |
| [GitLab GraphQL API](api/graphql/index.md) | Integrate with GitLab using our GraphQL API. |
| [Integrations](integration/README.md)      | Integrations with third-party products.      |

## Contributing to GitLab

GitLab Community Edition is [open source](https://gitlab.com/gitlab-org/gitlab-foss/)
and GitLab Enterprise Edition is [open-core](https://gitlab.com/gitlab-org/gitlab/).

Learn how to contribute to GitLab with the following resources:

| Topic                                                       | Description                              |
|:------------------------------------------------------------|:-----------------------------------------|
| [Development](development/README.md)                        | How to contribute to GitLab development. |
| [Legal](legal/README.md)                                    | Contributor license agreements.          |
| [Writing documentation](development/documentation/index.md) | How to contribute to GitLab Docs.        |