Github

Follow the instructions at https://github.com/settings/apps/new (or https://github.com/organizations/<your_org>/settings/applications/new for orgs).

GitHub App name: "My Gatekeeper"

Description: "Caddy v2 Authentication Portal"

Homepage URL: https://localhost:8443/

User authorization callback URL: https://localhost:8443/oauth2/github/authorization-code-callback

Check "Expire user authorization tokens".

Check "Request user authorization (OAuth) during installation"

Upon successful completion of the instructions, you will get:

Additionally, click "generate a private key" to sign access token requests.

This Caddyfile allows Github-based authentication.

The users authenticating via Github would have to accept the terms: