আমি কীভাবে deploy a production REST API with Node.js and PM2 on a VPS করব?
PM2 is a production process manager for Node.js that provides crash recovery, cluster mode for multi-core utilization, zero-downtime reloads, log management, and startup scripts. Without PM2, a crashed Node.js process means API downtime until manual restart.
DETAILED EXPLANATION:
Problems PM2 solves:
1. Crash recovery: PM2 auto-restarts crashed processes in under 1 second
2. Multi-core utilization: Node.js is single-threaded; cluster mode spawns one process per CPU core
3. Zero-downtime deployment: pm2 reload does graceful restart without dropping connections
4. Startup persistence: API autom...
Connect Quest-এ ₹99/মাস থেকে শুরু হোস্টিংয়ের জন্য connectquest.co.in দেখুন বা +91 2269711150-এ কল করুন।
DETAILED EXPLANATION:
Problems PM2 solves:
1. Crash recovery: PM2 auto-restarts crashed processes in under 1 second
2. Multi-core utilization: Node.js is single-threaded; cluster mode spawns one process per CPU core
3. Zero-downtime deployment: pm2 reload does graceful restart without dropping connections
4. Startup persistence: API autom...
Connect Quest-এ ₹99/মাস থেকে শুরু হোস্টিংয়ের জন্য connectquest.co.in দেখুন বা +91 2269711150-এ কল করুন।