User Login with Github for Discourse

Go to the Github Developer page, then look for OAuth Apps in the left menu. Select New OAuth App. Fill in the required fields:

Be sure to set the Callback URL to use the path /auth/github/callback at your site domain. e.g., https://forum.instar.com/auth/github/callback.

After creating your application, you should see the Client ID and Client Secret. Enter those in the Discourse fields:

github_client_id
github_client_secret