Why enable compression on a Node.js server?
To gzip API responses, which reduces bandwidth and improves response times, especially for large JSON payloads. Users on slow networks benefit most, since the compressed response downloads faster.
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More FAQs in Node.js Server Best Practices for Production
Use environment variables for configuration, a process manager like PM2 for restarts and clustering, security middleware like helmet and rate limiting, a global error handler, non-blocking async APIs, structured logging with winston or pino, and compression.
To handle automatic restarts, clustering across CPU cores, and monitoring. Running node app.js directly in production means an unhandled crash takes down your app with no recovery. PM2 or systemd manages this for you.
helmet for security headers, cors for cross-origin control, and express-rate-limit for rate limiting. These are essential for production security to protect against common web vulnerabilities and abuse.
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