相关疑难解决方法(0)

在生产中运行我的Express应用程序时,我希望在其进程被终止时(即发送SIGTERM或SIGINT)正常关闭服务器.

这是我的代码的简化版本:

const express = require('express');

const app = express();

app.get('/', (req, res) => res.json({ ping: true }));

const server = app.listen(3000, () => console.log('Running…'));

setInterval(() => server.getConnections(
    (err, connections) => console.log(`${connections} connections currently open`)
), 1000);

process.on('SIGTERM', shutDown);
process.on('SIGINT', shutDown);

function shutDown() {
    console.log('Received kill signal, shutting down gracefully');
    server.close(() => {
        console.log('Closed out remaining connections');
        process.exit(0);
    });

    setTimeout(() => {
        console.error('Could not close connections in time, forcefully shutting down');
        process.exit(1);
    }, 10000);
}

当我在浏览器中运行它并调用URL http:// localhost:3000 /时,setInterval函数中的日志语句将继续打印"1个当前打开的连接",直到我实际关闭浏览器窗口.即使关闭标签,显然也会保持连接打开. …