signup or login
http(s)://<host>/oauth/<provider>: The main URL to initiate the OAuth flow. Link to this from the browser
callback
http(s)://<host>/oauth/<provider>/callback: The callback path that should be set in the OAuth application settings
link
/oauth/github?feathers_token=<your access token>OAuth | FeathersJS
npm install @feathersjs/authentication-oauth --save @feathersjs/authentication-oauth allows to authenticate with over 180 OAuth providers (Google, Facebook, GitHub etc.) using grant, an OAuth middleware module for NodeJS. The following settings are available: redirect: The URL of the frontend to redirect to with the access token (or error message). The authentication client handles those redirects automatically.
https://docs.feathersjs.com/api/authentication/oauth.html#configuration