index.js

const restify = require('restify');
const mongoose = require('mongoose');
const restify_jwt = require('restify-jwt-community');
const corsMiddleware = require('restify-cors-middleware')

require('dotenv').load();

const server = restify.createServer();
server.use(restify.plugins.bodyParser());


const cors = corsMiddleware({
    preflightMaxAge: 5, //Optional
    origins: ['*'],
    allowHeaders: ['API-Token' , 'Authorization','Access-Control-Allow-Origin'],
    exposeHeaders: ['API-Token-Expiry'],

})

server.pre(cors.preflight)
server.use(cors.actual)

// protect all routes unless registration and login entry point
// server.use(restify_jwt({secret: process.env.JWT_SECRET}).unless({path:['/auth']}));

// when server listen connect to the data base
server.listen(process.env.PORT || 5000, () => {
    mongoose.set('useFindAndModify', false);
    mongoose.connect(process.env.MONGODB_URI, {useNewUrlParser: true});
});


const db = mongoose.connection;


db.on('error', (error) => {
    console.log(error)
});


// if we have connection opened then require route file
db.on('open', () => {
    require('./routes/user')(server);
    require('./routes/group')(server);
    require('./routes/chat')(server);

    console.log(`server start on port ---> ${process.env.PORT}`);
});