Nginx/Passenger

cat <<'EXE' | sudo bash
apt-get update;echo
apt-get install -y nginx
nginx -v;echo
apt-get clean
EXE

Diagram

Passenger » Why

Feature	Nginx + Passenger	Nginx + Puma
Ease of Setup	High (Single config file)	Medium (Need to manage Puma service)
Process Management	Automatic (Spawns/restarts apps)	Manual (Requires Systemd or Monit)
Memory Management	Excellent (Auto-kills bloated processes)	Good (Manual tuning required)
Multi-Language	Supports Ruby, Python, Node.js	Ruby only

Passenger » Install
lxc launch ubuntu:24.04 passenger && sleep 5 lxc snapshot passenger ubuntu:24.04 && sleep 1 lxc restore passenger ubuntu:24.04 && sleep 5 lxc exec passenger -- bash

References
Passenger » Nginx » Integrating Action Cable Passenger » Nginx » Ruby » Restarts Passenger » Nginx » Config Passenger » Nginx » Ruby Passenger » Standalone Passenger » Apache Passenger » Nginx
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