Setting up a proxy server using nginx

Nginx can use its reverse proxy function to implement load balancing, and can also use its forward proxy function to set up a proxy server. For example, in an intranet environment, run nginx as a proxy server on a machine that can connect to the Internet. Other machines can connect to the Internet through this machine by setting its IP and port. This article uses the official nginx image, and the proxy server can be easily implemented through the following steps.

Step 1: Start nginx

[root@devops ~]# docker run -p 8888:8888 --name proxy-nginx -d nginx
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[root@devops ~]#

Step 2: Set up nginx

Enter the container

[root@devops ~]# docker exec -it proxy-nginx sh

update apt-get

Install ping/vi/ps: apt-get update; apt-get install procps vim inetutils-ping

Set up nginx.conf

Add the following content to achieve the simplest proxy function

  resolver 8.8.8.8;
  server {
    listen 8888;
    location / {
      proxy_pass http://$http_host$request_uri;
    }
  }

The rest of the information is the confirmed content of nginx.conf and has not been modified.

# cat nginx.conf
user nginx;
worker_processes 1;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
  worker_connections 1024;
}
http {
  include /etc/nginx/mime.types;
  default_type application/octet-stream;
  log_format main '$remote_addr - $remote_user [$time_local] "$request" '
           '$status $body_bytes_sent "$http_referer" '
           '"$http_user_agent" "$http_x_forwarded_for"';
  access_log /var/log/nginx/access.log main;
  sendfile on;
  #tcp_nopush on;
  keepalive_timeout 65;
  #gzip on;
  resolver 8.8.8.8;
  server {
    listen 8888;
    location / {
      proxy_pass http://$http_host$request_uri;
    }
  }
  include /etc/nginx/conf.d/*.conf;
}
#

Step 4: Set up the client

Set the server IP and the above port 8888 on the client, and you can connect to the network through the proxy server.

Summarize

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