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NodeJS Graceful Shutdown

Graceful Shutdown - SIGTERM

By using server.close() and process.exit(), we can catch the server exception and do a graceful shutdown.

var http = require('http');
var server = http.createServer(function (req, res) {
 setTimeout(function () { //simulate a long request
 res.writeHead(200, {'Content-Type': 'text/plain'});
 res.end('Hello World\n');
 }, 4000);
}).listen(9090, function (err) {
 console.log('listening http://localhost:9090/');
 console.log('pid is ' +;
process.on('SIGTERM', function () {
 server.close(function () {


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