Set up callback URLs
Don’t forget to set the following Callback URLs:https://app.acme.com/api/auth/callback/githubhttp://localhost:3000/api/auth/callback/githubfor local development.
Optional: Set the “Email addresses” account permission to read-only in order to
access private email addresses on GitHub.
Set up environment variables
Once your GitHub App is created, copy theClient ID and Client Secret into your .env file as the GITHUB_CLIENT_ID and GITHUB_CLIENT_SECRET environment variables.
.env