easyPhone Screen

How do you run Node.js processes as a background service?

Q: How do you run Node.js processes as a background service?

**TL;DR.** In production, run Node under a **supervisor** that keeps it alive and starts it on boot: a **process manager** (PM2/systemd) on VMs, or a **container orchestrator** (Docker + Kubernetes) in the cloud. Avoid ad-hoc node app.js & / nohup — they don't restart on crash or survive reboots. supervisor systemd / PM2 / k8s restart on crash <text class='d-text' x

691 views

Understand the problem

Tests operational knowledge on keeping Node.js apps alive permanently.

pm2deploymentdevops

Attempt it yourself

Sketch your approach before reading the solution — that's what interviews test.

Stuck? AI Nudge Available

Get a conceptual hint to guide your logic without spoiling the final implementation.

Study the solution

The solution is waiting

Give it an honest attempt first — then compare your thinking with the full walkthrough.

Read the code

A systemd service unit

# /etc/systemd/system/myapp.service
[Service]
ExecStart=/usr/bin/node /srv/myapp/server.js
Restart=always
Environment=NODE_ENV=production
User=appuser
[Install]
WantedBy=multi-user.target

# enable + start (survives reboot, restarts on crash):
# sudo systemctl enable --now myapp

Join the discussion

Discussion (0)

No responses yet. Be the first to share what you think.

What is the difference between string concatenation and path.join/path.resolve?

What is npx and how does it differ from a global install?