---
title: HedgeDoc
## What is HedgeDoc
From https://github.com/hedgedoc/hedgedoc
:::note
HedgeDoc lets you create real-time collaborative markdown notes.
:::
## Preparation
The following placeholders will be used:
- `hedgedoc.company` is the FQDN of the HedgeDoc install.
- `authentik.company` is the FQDN of the authentik install.
Create an application in authentik. Create an OAuth2/OpenID provider with the following parameters:
- Client Type: `Confidential`
- Scopes: OpenID, Email and Profile
- Signing Key: Select any available key
- Redirect URIs: `https://hedgedoc.company/auth/oauth2/callback`
Note the Client ID and Client Secret values. Create an application, using the provider you've created above.
## HedgeDoc
You need to set the following `env` Variables for Docker based installations.
Set the following values:
```yaml
CMD_OAUTH2_PROVIDERNAME: 'authentik'
CMD_OAUTH2_CLIENT_ID: '<Client ID from above>'
CMD_OAUTH2_CLIENT_SECRET: '<Client Secret from above>'
CMD_OAUTH2_SCOPE: 'openid email profile'
CMD_OAUTH2_USER_PROFILE_URL: 'https://authentik.company/application/o/userinfo/'
CMD_OAUTH2_TOKEN_URL: 'https://authentik.company/application/o/token/'
CMD_OAUTH2_AUTHORIZATION_URL: 'https://authentik.company/application/o/authorize/'
CMD_OAUTH2_USER_PROFILE_USERNAME_ATTR: 'preferred_username'
CMD_OAUTH2_USER_PROFILE_DISPLAY_NAME_ATTR: 'name'
CMD_OAUTH2_USER_PROFILE_EMAIL_ATTR: 'email'
```
