You can use Google to manage your organization’s entire membership.
Register a Google application
You need to set up OAuth application via Google Developers Console.
You should provide a callback URL: [Domain/IP]/sso/google
Update your deployment config file
Use your client id and secret token to update your deployment config file.
externalServices:
auth:
google:
enabled: true
options: {client_id: "#####", client_secret: "#####"}