ASP.NET Core 2.0 user authentication with social logins

Facebook

services.AddFacebook(options => {
    options.AppId = "";
    options.AppSecret = "";
});

Twitter

services.AddTwitter(options => {
    options.ConsumerKey = "";
    options.ConsumerSecret = "";
})

Github

services.AddGitHub(options => {
    options.ClientId = "";
    options.ClientSecret = "";
})