![]() Now that we have a basic idea of what Nginx is used for, we can go ahead and see how it can be used as a reverse proxy for a simple Node.js server running locally. How to use NGINX as a reverse proxy for a local Node.js server (without Docker) This prevents any individual web server from being overworked.Ī load balancer can also be configured so that if a web server goes down, the reverse proxy will no longer forward requests to that web server (see below for more on load balancing) NGINX is a HTTP load balancerĪ load balancer is responsible for routing client HTTP requests to web servers in an efficient manner. ![]() Usually, the website will be distributed across many web servers, with a reverse proxy in front of them. Load Balancing: if a website is very popular, it’s unlikely that all the traffic is handled by a single web server. The reverse proxy can be configured to decrypt incoming requests from the client and encrypt outgoing responses from the server. SSL Encryption (more security): encrypting and decrypting SSL communications is expensive, and would make web servers slow. Security: with a reverse proxy, the web server never reveals its IP address to the client, which makes the server more secure. When a browser makes an HTTP request, the request first goes to the reverse proxy, which then sends the request to the appropriate web server. NGINX is a reverse proxyĪ reverse proxy is a server that sits in front of a group of web servers. The browser makes a request, and the web server responds with the static content (usually HTML) corresponding to that request. NGINX is a web serverĪ web server is a piece of software that responds to HTTP requests made by clients (usually web browsers). So let’s break down the definition into parts. Web Server? Reverse Proxy? Load Balancer? These terms may be familiar to seasoned developers and engineers, but to a newbie, they are more confusing than helpful. NGINX is an open-source web server that also serves as a reverse proxy and HTTP load balancer. What is NGINX?Ī lot of websites and tutorials define NGINX in the following way: As a beginner myself, I think this article simplifies a lot of the concepts in a way that other tutorials don’t really do, so I hope people find it useful. This article was written as I was learning Nginx and Docker, and explains how to set up a Dockerized Node.js server with an Nginx reverse proxy.
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