providers.json

{
  "local": {
    "provider": "local",
    "module": "passport-local",
    "usernameField": "username",
    "passwordField": "password",
    "authPath": "/auth/local",
    "successRedirect": "/auth/account",
    "failureRedirect": "/local",
    "failureFlash": true
  },
  "facebook-login": {
    "provider": "facebook",
    "module": "passport-facebook",
    "profileFields": [          
      "locale",
      "name",
      "timezone",      
      "email"       
    ],
    "clientID": "291799974652971",
    "clientSecret": "7473cfc3bc4cb7dcafe8b6c409e02770",
    "callbackURL": "/auth/facebook/callback",
    "authPath": "/auth/facebook",
    "callbackPath": "/auth/facebook/callback",
    "successRedirect": "/auth/account",
    "failureRedirect": "/login",
    "scope": ["email"],
    "failureFlash": true
  },
  "facebook-link": {
    "provider": "facebook",
    "module": "passport-facebook",
    "clientID": "291799974652971",
    "clientSecret": "7473cfc3bc4cb7dcafe8b6c409e02770",
    "callbackURL": "/link/facebook/callback",
    "authPath": "/link/facebook",
    "callbackPath": "/link/facebook/callback",
    "successRedirect": "/auth/account",
    "failureRedirect": "/login",
    "scope": ["email", "user_likes"],
    "link": true,
    "failureFlash": true
  }
}