95 lines
2.1 KiB
JavaScript
95 lines
2.1 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Module dependencies.
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*/
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const app = require('server/app');
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const debug = require('debug')('server:server');
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const http = require('http');
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const mongoose = require('mongoose');
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const cron = require('node-cron');
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const { refreshQuestions, refreshUsers } = require('server/utils/cronRefresh');
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require('dotenv').config();
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/**
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* Get port from environment and store in Express.
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*/
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const port = normalizePort(process.env.PORT || '3000');
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app.set('port', port);
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/**
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* Create HTTP server.
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*/
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const server = http.createServer(app);
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/**
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* Listen on provided port, on all network interfaces.
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*/
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mongoose.connect(process.env.DB_CONN_STRING, {
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useNewUrlParser: true,
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useUnifiedTopology: true,
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});
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mongoose.connection.once('open', () =>
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console.log('[INFO]: MongoDB connected')
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);
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mongoose.connection.on(
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'error',
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console.error.bind(console, '[ERROR]: MongoDB connection error - ')
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);
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cron.schedule('*/30 * * * * *', refreshQuestions);
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cron.schedule('*/2 * * * *', refreshUsers);
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server.listen(port, console.log(`Listening on port: ${port}`));
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server.on('error', onError);
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server.on('listening', onListening);
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/**
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* Normalize a port into a number, string, or false.
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*/
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function normalizePort(val) {
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return parseInt(val, 10) || val;
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}
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/**
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* Event listener for HTTP server "error" event.
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*/
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function onError(error) {
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if (error.syscall !== 'listen') {
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throw error;
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}
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const bind = typeof port === 'string' ? 'Pipe ' + port : 'Port ' + port;
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// handle specific listen errors with friendly messages
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switch (error.code) {
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case 'EACCES':
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console.error(bind + ' requires elevated privileges');
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process.exit(1);
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case 'EADDRINUSE':
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console.error(bind + ' is already in use');
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process.exit(1);
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default:
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throw error;
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}
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}
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/**
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* Event listener for HTTP server "listening" event.
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*/
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function onListening() {
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const addr = server.address();
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const bind =
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typeof addr === 'string' ? 'pipe ' + addr : 'port ' + addr.port;
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debug('Listening on ' + bind);
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}
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