Nginx LoadBalancer + Nodejs socket.io

• CentOS NGINX LoadBalancer
• Using Nginx as a Load Balancer
• Configuring HTTPS servers
• NGINX SSL certificate chains
• cosbynator/nginx.conf

버전 확인

cat /etc/*release*

OS bit 확인

getconf LONG_BIT

yum 속도 확장

# 설치 여부 확인
yum list installed | grep fastestmirror
#설치 
yum install yum-plugin-fastestmirror yum-fastestmirror

yum repository 설정

vi /etc/yum.repos.d/nginx.repo

[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/centos/6/$basearch/
gpgcheck=0
enabled=1

Nginx 설치

yum install nginx
# 시작
service nginx start

NGINX LoadBalancer

loadbalancer.conf

upstream chat_proxy {
	server 192.168.123.2:8080; // nodejs 1
	server 192.168.123.3:8181; // nodejs 2
	keepalive 64;
};

server {
	listen 8080;
	listen [::]:8080 ipv6only=on;
	server_name doamain.com;

	#set $upstream_type chat_proxy;

	access_log /var/log/nginx/com.domain.chat-access.log;
	error_log  /var/log/nginx/com.domain.chat-error.log error;

	location / {
		proxy_set_header X-Real-IP $remote_addr;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_set_header Host $http_host;
		proxy_set_header X-NginX-Proxy true;

		proxy_pass http://chat_proxy;
		proxy_redirect off;

		# Handle Web Socket connections
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection "upgrade";
	}
 }

server {
	listen 8080;
	listen [::]:8080 ipv6only=on;
	server_name doamain.com;

	#set $upstream_type chat_proxy;

		# You'll need to have your own certificate and key files
		# This is not something to blindly copy and paste
	ssl on;
	ssl_certificate	/etc/ssl/com.domain/domain.crt;
	ssl_certificate_key /etc/ssl/com.domain/domain.key;
	
	access_log /var/log/nginx/com.domain.chat-access.log;
	error_log  /var/log/nginx/com.domain.chat-error.log error;

	location / {
		proxy_set_header X-Real-IP $remote_addr;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_set_header Host $http_host;
		proxy_set_header X-NginX-Proxy true;

		proxy_pass http://chat_proxy;
		proxy_redirect off;

		# Handle Web Socket connections
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection "upgrade";
	}
}

nomal.conf

server {
    client_max_body_size 4G; 
    client_body_buffer_size 1024k;
    listen  *;  
    root    /home/username/www;
    index   index.html  index.htm;

    server_name domain.com;
    access_log /var/log/nginx/com.domain.chat-access.log;

    location / { 
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_set_header X-NginX-Proxy true;
        proxy_pass http://127.0.0.1:3000/;
        proxy_redirect  off;
    }   

    location = /favicon.ico { log_not_found off; access_log off; }
    location = /robots.txt { log_not_found off; access_log off; }
    location = /\. { log_not_found off; access_log off; }
}

Reverse Proxy

server {
        listen 80;
        location / {
                proxy_pass http://127.0.0.1:2812;
        }

        error_page 404 /404.html;
        location = /40x.html {
        }
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
        }
        location = /favicon.ico {
                log_not_found off;
                access_log off;
        }
        location = /robots.txt {
                log_not_found off; access_log off;
        }
        location = /\. {
                log_not_found off;
                access_log off;
        }
}