Added back Remote Cursors

server/auth.ts

@@ -2,6 +2,8 @@ import passport from 'passport';
 import { Strategy as GitHubStrategy } from 'passport-github2';
 import { db } from './database';
 
+const callbackURL = process.env.CALLBACK_URL || '/auth/github/callback';
+
 passport.serializeUser((user: any, done) => {
   done(null, user.id);
 });
@@ -19,7 +21,7 @@ passport.deserializeUser((id: number, done) => {
 passport.use(new GitHubStrategy({
   clientID: process.env.GITHUB_CLIENT_ID!,
   clientSecret: process.env.GITHUB_CLIENT_SECRET!,
-  callbackURL: '/auth/github/callback'
+  callbackURL: callbackURL
 }, async (accessToken, refreshToken, profile, done) => {
   try {
     let user;