HuakunShen/Nginx-Load-Balancer.md

## docker-compose.yml
version: '3.9'
services:
  server1:
    image: nginx
    volumes:
      - ./index-1.html:/usr/share/nginx/html/index.html
  server2:
    image: nginx
    volumes:
      - ./index-2.html:/usr/share/nginx/html/index.html
  loadbalancer:
    image: nginx
    volumes:
      - ./loadbalancer.config:/etc/nginx/conf.d/default.conf
    ports:
      - 80:80
    depends_on:
      - 'server1'
      - 'server2'

## index-1.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Server 1</title>
  </head>
  <body>
    <h1>Server 1</h1>
  </body>
</html>

## index-2.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Server 2</title>
  </head>
  <body>
    <h1>Server 2</h1>
  </body>
</html>

## loadbalancer.config
upstream backend {
    server server1;
    server server2;
}

server {
    listen       80;
    listen  [::]:80;
    server_name  localhost;

    location / {
        proxy_pass http://backend;
    }
}

## Nginx-Load-Balancer.md

      
    Raw
  

              Nginx-Load-Balancer.md
            
          
    A simple Nginx Load Balancer implemented with 3 Nginx docker containers.
	version: '3.9'
	services:
	server1:
	image: nginx
	volumes:
	- ./index-1.html:/usr/share/nginx/html/index.html
	server2:
	image: nginx
	volumes:
	- ./index-2.html:/usr/share/nginx/html/index.html
	loadbalancer:
	image: nginx
	volumes:
	- ./loadbalancer.config:/etc/nginx/conf.d/default.conf
	ports:
	- 80:80
	depends_on:
	- 'server1'
	- 'server2'
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Server 1</title>
	</head>
	<body>
	<h1>Server 1</h1>
	</body>
	</html>
	upstream backend {
	server server1;
	server server2;
	}

	server {
	listen 80;
	listen [::]:80;
	server_name localhost;

	location / {
	proxy_pass http://backend;
	}
	}