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server.js
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server.js
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const express = require('express');
const { PORT, NODE_ENV } = require('./config/config');
const morgan = require('morgan');
const conn = require('./config/mongoose');
const mountRoutes = require('./routes/mountRoutes');
const globalError = require('./middlewares/errorMiddleware');
const ApiError = require('./utils/ApiError');
// Express
const app = express();
app.use(express.json());
// middlewares
if (NODE_ENV === 'development') {
// Log http requests in console in development mode
// Helps in debugging
app.use(morgan('dev'));
console.log(`mode: ${NODE_ENV}`);
}
// Connection to db
conn();
// Routes
mountRoutes(app);
// handle unhandled routes
app.all('*', (req, res, next) => {
next(new ApiError('Can\'t find this path', 404))
});
// Handle global errors
app.use(globalError);
// Server run
const server = app.listen(PORT, () => {
console.log(`The server is running on port ${PORT}`);
})
// Events => listen => callback(err)
// Handle errors outside of express
process.on('unhandledRejection', (err) => {
console.log(`unhandledRejection Errors ${err.name} | ${err.message}`);
// Close server first then stop application
server.close(() => {
console.log(`Shutting down ...`);
process.exit(1);
});
})