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31 lines
1.0 KiB
JavaScript

/**
* Created by Syed Afzal
*/
const mongoose = require('mongoose');
const {log} = require('../utils/helpers/logger');
exports.connect = (app) => {
const options = {
useNewUrlParser: true,
autoIndex: false, // Don't build indexes
reconnectTries: 30, // Retry up to 30 times
reconnectInterval: 500, // Reconnect every 500ms
poolSize: 10, // Maintain up to 10 socket connections
// If not connected, return errors immediately rather than waiting for reconnect
bufferMaxEntries: 0
}
const connectWithRetry = () => {
mongoose.Promise = global.Promise;
console.log('MongoDB connection with retry')
mongoose.connect(process.env.MONGODB_URI, options).then(()=>{
console.log('MongoDB is connected');
app.emit('ready');
}).catch(err=>{
console.log('MongoDB connection unsuccessful, retry after 2 seconds.')
setTimeout(connectWithRetry, 2000)
})
}
connectWithRetry();
};