how to use oauth2 via auth0
Introduction
We usually log in via oauth2 from various social media like line, facebook, google ,etc.
So we can use auth0 simple achieve to log in by social media.
Create social connections
Open Authentication -> Social page, you can see Create Connection button then click it.
Then you can create new social connection.

Create application
Open Applications -> Applications page, you can see Create Application button then click it.
Settings, TheDomain,Client IDandClient Secretis important in next step.

Connections

Develop your application
You can reference Quick Start in application page. The example choose Regular Web App using Golang.
Then you can see various example for you like programming language.