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2026 · Reverse Proxy · Practical guide
Nginx — The Complete Guide
reverse proxy, SSL termination, and load balancing — everything that sits in front of your application
Nginx (pronounced 'engine-x') is an open-source web server and reverse proxy that as of 2026 runs roughly a third of all websites in the world, and that is no accident. It is exceptionally fast (handles 10,000 concurrent connections on a small server), uses very little RAM (typically 50 MB), and is rock-solid stable — for me (Elad), the same nginx process runs for months on end without ever needing a restart. Its classic role is 'reverse proxy': a server that sits at the edge of your VPS, receives every request from the internet, and decides which internal service to route each one to. On my Hetzner VPS, nginx receives every request hitting `fullstack-eladjak.co.il`, `hub.eladjak.com`, and a dozen subdomains — and routes each one to the right Docker container among 13 agents running on internal ports 3700-3900. It also handles SSL/HTTPS (the certificates themselves are free from Let's Encrypt), compresses responses, and serves static files faster than any application server. Popular alternatives (Caddy, Traefik) are easier to configure, but nginx remains the standard because it is everywhere and the documentation is enormous. If you build a serious server — get to know it.
10+
subdomains I run
10k+
concurrent connections
~50 MB
RAM footprint
99.99%
nginx uptime
Why you need a server in front of your server
Your application doesn't need to know about SSL, compression, or rate limiting. nginx handles all that before the request ever reaches it.
Every app listens on :443 and handles SSL itself
nginx accepts everything and forwards in plain HTTP
10 services = 10 domains = 10 SSL setups
nginx + certbot = one cert, auto-renewing
Shutdown for an upgrade = downtime for everyone
blue/green via nginx upstream — zero downtime
Bots and DDoS flood the application
rate limiting in nginx — the app never sees them
Who is this for?
Here's how:
Anyone running a VPS with more than one service
Once you have an API + a dashboard + a landing page, you need someone to split traffic by domain/path.
Devs migrating from Vercel/Netlify
Suddenly you need SSL, compression, redirects. nginx does everything Platform-as-a-Service used to do for you.
Teams that need rate limiting/security
Protect APIs from bots, geo-block countries, throttle by IP. All in nginx, without touching the code.
Anyone who wants to understand the web
nginx is the infrastructure layer of most of the internet. Learning it = learning how web traffic actually flows.
The practical guide
Click any section to open it
Resources & links
Nginx Docs
The official docs — comprehensive but a bit dry. Read the intro
Mozilla SSL Config Generator
Optimal SSL config ready to copy — by nginx version
DigitalOcean nginx tutorials
The clearest tutorials in plain language for every topic
Caddy
A simpler alternative with automatic SSL
Let's Encrypt
Free SSL certs — with certbot it's 5 minutes of work
The Cloudflare Tunnel guide
An alternative to nginx + opening ports — all without exposing the VPS
Need help configuring nginx?
An nginx config is the kind of thing that pays to invest in once and use for years. I can set yours up in an hour.
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Elad Yaakobovitch
Full-Stack Developer & AI Specialist
On my Hetzner VPS, nginx routes 10+ subdomains to 13 different containers, handles SSL from Let's Encrypt, and runs for years on end without maintenance. I've moved a few personal projects to Caddy, but nginx remains the standard I recommend for any project working with clients. This guide is built on years of setups and patches.