Reverse proxying a Node application
proxy_pass, the X-Forwarded headers, and why the application must not listen on 0.0.0.0.
28 minutesTechnical content last reviewed on 3 Aug 2026
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What this lesson builds
- Serving a site and putting an application behind Nginx
- Running a service under systemd, from first start to automatic recovery
- Knowing what the machine exposes, and closing the rest