Facebook Login With .Net Core MVC Without identity
Necessary Package : Microsoft.AspNetCore.Authentication.Facebook
Firstly Login https://developers.facebook.com/
You can see this video how can we get app-id and secret from the facebook developer
https://www.youtube.com/watch?v=7b9j7YValF0&list=PLebwC6r3s9XjwZIGQ2DfjtP_khP4SzR__