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supabase/apps/reference/docs/guides/auth/auth-gitlab.mdx
2022-10-05 16:35:30 -07:00

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---
id: auth-gitlab
title: 'Login with GitLab'
description: Add GitLab OAuth to your Supabase project
---
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To enable GitLab Auth for your project, you need to set up a GitLab OAuth application and add the application credentials to your Supabase Dashboard.
## Overview
Setting up GitLab logins for your application consists of 3 parts:
- Create and configure a GitLab Application on [GitLab](https://gitlab.com)
- Add your GitLab Application keys to your [Supabase Project](https://app.supabase.com)
- Add the login code to your [Supabase JS Client App](https://github.com/supabase/supabase-js)
## Access your GitLab account
- Go to [gitlab.com](https://gitlab.com).
- Click on `Login` at the top right to log in.
![GitLab Developer Portal.](/img/guides/auth-gitlab/gitlab-portal.png)
## Find your callback URL
The next step requires a callback URL, which looks like this:
`https://<project-ref>.supabase.co/auth/v1/callback`
- Go to your [Supabase Project Dashboard](https://app.supabase.com).
- Click on the `Settings` icon at the bottom of the left sidebar.
- Click on `API` in the list.
- Under Config / URL you'll find your API URL, you can click `Copy` to copy it to the clipboard.
- Now just add `/auth/v1/callback` to the end of that to get your full `OAuth Redirect URI`.
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## Create your GitLab Application
- Click on your `profile logo` (avatar) in the top-right corner.
- Select `Edit profile`.
- In the left sidebar, select Applications.
- Enter the name of the application.
- In the `Redirect URI` box, type the callback URL of your app.
- Check the box next to `Confidential` (make sure it is checked).
- Check the scope named `read_user` (this is the only required scope).
- Click `Save Application` at the bottom.
- Copy and save your `Application ID` (`client_id`) and `Secret` (`client_secret`) which you'll need later.
## Add your GitLab credentials into your Supabase Project
- Go to your [Supabase Project Dashboard](https://app.supabase.com).
- In the left sidebar, click the `Authentication` icon (near the top).
- Click `Settings` from the list to go to the `Authentication Settings` page.
- Enter the final (hosted) URL of your app under `Site URL` (this is important).
- Under `External OAuth Providers` turn `GitLab Enabled` to ON.
- Enter your `client_id` and `client_secret` saved in the previous step.
- Click `Save`.
## Add login code to your client app
When your user signs in, call [signInWithOAuth()](/docs/reference/javascript/auth-signinwithoauth) with `gitlab` as the `provider`:
```js
async function signInWithGitLab() {
const { data, error } = await supabase.auth.signInWithOAuth({
provider: 'gitlab',
})
}
```
When your user signs out, call [signOut()](/docs/reference/javascript/auth-signout) to remove them from the browser session and any objects from localStorage:
```js
async function signout() {
const { error } = await supabase.auth.signOut()
}
```
## Resources
- [Supabase Account - Free Tier OK](https://supabase.com)
- [Supabase JS Client](https://github.com/supabase/supabase-js)
- [GitLab Account](https://gitlab.com)