# Nginx Reverse Proxy 2026 – Ubuntu, SSL, Docker Apps

Nginx as reverse proxy: server blocks, Let’s Encrypt, proxy headers, WebSockets, Docker on 127.0.0.1.

**Quick answer:** Nginx on :80/:443, app only on **127.0.0.1**, proxy headers + Let’s Encrypt.

[Caddy](/en/root-v-server/caddy-reverse-proxy) · [Traefik](/en/root-v-server/traefik-reverse-proxy)

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