How do I run Node.js in production?
Use a process manager like PM2. PM2 handles automatic restarts, clustering across CPU cores, and monitoring, which are essential for production. Never run node app.js directly in production without a process manager.
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More FAQs in Different Ways to Run Node.js Code
Save code in a file and run node filename.js. For quick experiments, type node in the terminal to enter the REPL. For development servers, use nodemon for automatic restarts. For production, use a process manager like PM2.
The Read-Eval-Print Loop. Type node in the terminal without a file, and you can type JavaScript and see results immediately, like a console. It is great for quick experiments and trying out Node.js APIs.
A tool that watches your files and restarts the Node.js server automatically when you save. Run nodemon app.js instead of node app.js. It is the standard way to run servers during development, since it saves manual restarts.
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