text: const passport = require('passport')
  const GitHubStrategy = require('passport-github').Strategy
  
  passport.serializeUser(function (user, cb) {
    cb(null, user)
  })
  
  passport.deserializeUser(function (obj, cb) {
    cb(null, obj)
  })
  
  passport.use(
   new GitHubStrategy(
     {
       clientID: process.env.CLIENT_ID,
       clientSecret: process.env.CLIENT_SECRET,
       callbackURL: process.env.CALLBACK_URL
     },
    (accessToken, refreshToken, profile, cb) => {
      cb(null, { id: profile.id })
    }
   )
  )
  