MongoNetworkError: connection 6 to db_host:27017 timed out
File "/opt/nodejs/node_modules/mongodb-core/lib/connection/connection.js", line 259, col 7, in TLSSocket.<anonymous>
new MongoNetworkError(f('connection %s to %s:%s timed out', self.id, self.host, self.port)),
File "events.js", line 313, col 30, in Object.onceWrapper
File "events.js", line 106, col 13, in emitNone
File "events.js", line 208, col 7, in TLSSocket.emit
File "net.js", line 420, col 8, in TLSSocket.Socket._onTimeout
File "timers.js", line 482, col 11, in ontimeout
File "timers.js", line 317, col 5, in tryOnTimeout
File "timers.js", line 277, col 5, in Timer.listOnTimeout
const mongoose = require('mongoose');
const log = require('./log');
const options = {
reconnectTries: 30,
reconnectInterval: 500,
poolSize: Number(process.env.DB_POOLSIZE) || 1,
socketTimeoutMS: 30000,
keepAlive: true,
bufferCommands: false,
bufferMaxEntries: 0,
};
let isConnected;
module.exports.connect = () => new Promise((resolve, reject) => {
if (isConnected) {
return resolve();
}
return mongoose.connect(process.env.DB_URI, options)
.then((db) => {
isConnected = db.connections[0].readyState;
resolve();
}).catch((error) => {
log.error('DB:', error);
reject(error);
});
});