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const mongoose = require('mongoose');

module.exports = () => {

mongoose

.connect(process.env.MONGODB_URI, {

dbName: process.env.DB_NAME,

user: process.env.DB_USER,

pass: process.env.DB_PASS,

useNewUrlParser: true,

useUnifiedTopology: true,

useFindAndModify: false

})

.then(() => {

console.log('Mongodb connected....');

})

.catch(err => console.log(err.message));

mongoose.connection.on('connected', () => {

console.log('Mongoose connected to db...');

});

mongoose.connection.on('error', err => {

console.log(err.message);

});

mongoose.connection.on('disconnected', () => {

console.log('Mongoose connection is disconnected...');

});

process.on('SIGINT', () => {

mongoose.connection.close(() => {

console.log(

'Mongoose connection is disconnected due to app termination...'

);

process.exit(0);

});

});

};