How to install and configure Docker nginx

Download Nginx image in Docker

docker pull nginx
docker images

Create a mount directory

mkdir -p /data/nginx/{conf,conf.d,html,logs}

Write the nginx.conf configuration file and put it in the folder

# For more information on configuration, see:
# * Official English Documentation: http://nginx.org/en/docs/
# * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
  worker_connections 1024;
}

http {
  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;
  tcp_nodelay on;
  keepalive_timeout 65;
  types_hash_max_size 2048;

  include /etc/nginx/mime.types;
  default_type application/octet-stream;

  # Load modular configuration files from the /etc/nginx/conf.d directory.
  # See http://nginx.org/en/docs/ngx_core_module.html#include
  # for more information.
  include /etc/nginx/conf.d/*.conf;

  server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name 182.254.161.54;
    root /usr/share/nginx/html;

    # Load configuration files for the default server block.
    include /etc/nginx/default.d/*.conf;

    location / {
    proxy_pass http://pic; 
    }

    error_page 404 /404.html;
      location = /40x.html {
    }

    error_page 500 502 503 504 /50x.html;
      location = /50x.html {
    }
  }

  upstream pic{
        server 182.254.161.54:8088 weight=5;
        server 182.254.161.54:8089 weight=5;
  }

}

Start the container

Copy the code as follows:

 docker run --name mynginx -d -p 82:80 -v /data/nginx/conf/nginx.conf:/etc/nginx/nginx.conf -v /data/nginx/logs:/var/log/nginx -d docker.io/nginx

View the started container

docker ps

Previously, two tomcats have been deployed in Docker, one is port 8088 and the other is port 8089, and simple pages have been written in the two containers.

Access port 8088

Access port 8089

Now we use Nginx to access the contents of the two tomcats to achieve load balancing. For the sake of difference, the load balancing function can be better reflected. The contents of the two pages are different, but the access paths are the same. We just use Nginx reverse proxy to access them in rotation.

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