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Portainer

What is Portainer​

From https://www.portainer.io/

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Portainer is a powerful, GUI-based Container-as-a-Service solution that helps organizations manage and deploy cloud-native applications easily and securely.

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This is based on authentik 2021.7.3 and Portainer 2.6.x-CE. Portainer 2.6 supports OAuth without additional licenses, 1.x Series requires a paid license for OAuth.

Preparation​

The following placeholders will be used:

  • port.company is the FQDN of Portainer.
  • authentik.company is the FQDN of authentik.

Step 1 - authentik​

In authentik, under Providers, create an OAuth2/OpenID Provider with these settings:

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Only settings that have been modified from default have been listed.

Protocol Settings

  • Name: Portainer
  • Client type: Confidential
  • Client ID: Copy and Save this for Later
  • Client Secret: Copy and Save this for later
  • Redirect URIs/Origins: https://port.company

Step 2 - Portainer​

In Portainer, under Settings, Authentication, Select OAuth and Custom

  • Client ID: Client ID from step 1
  • Client Secret: Client Secret from step 1
  • Authorization URL: https://authentik.company/application/o/authorize/
  • Access Token URL: https://authentik.company/application/o/token/
  • Redirect URL: https://port.company
  • Resource URL: https://authentik.company/application/o/userinfo/
  • Logout URL: https://authentik.company/application/o/portainer/end-session/
  • User Identifier: email
  • Scopes: email openid profile
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Portainer by default shows commas between each item in the Scopes field. Do NOT use commas. Use a space

Step 3 - authentik​

In authentik, create an application which uses this provider. Optionally apply access restrictions to the application using policy bindings.

Notes​

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Portainer Reference link: https://documentation.portainer.io/v2.0/auth/oauth/