Implementation of tens of thousands of concurrent connections on a single machine with nginx+lua

cd /usr/local/docker
mkdir -p nginx-lua/build
cd nginx-lua

root@today2:/usr/local/docker/nginx-lua# tree
.
├── build
│ ├── Dockerfile
│ ├── nginx-module-vts.zip
│ └── openresty-1.15.8.3.tar.gz
├── docker-compose.yml
├── lua
│ ├── test.lua
├── nginx.conf
├── wwwroot
│ ├── index.html

FROM ubuntu:xenial

# Update data source WORKDIR /etc/apt
RUN echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse' > sources.list
RUN echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse' >> sources.list
RUN echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse' >> sources.list
RUN echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse' >> sources.list
RUN apt-get update

# Install dependencies RUN apt-get install unzip make gcc libpcre3-dev libssl-dev perl build-essential curl zlib1g-dev --assume-yes

# Copy the tool package ADD openresty-1.15.8.3.tar.gz /usr/local/src
ADD nginx-module-vts.zip /usr/local/src

# nginx-module-vts
WORKDIR /usr/local/src
RUN unzip nginx-module-vts.zip

WORKDIR /usr/local/src/openresty-1.15.8.3
RUN rm -rf ./Makefile
RUN ./configure --add-module=/usr/local/src/nginx-module-vts
RUN make && make install

# Configure Nginx, comment it out, and mount it to the container when starting the container # ADD nginx.conf /usr/local/openresty/nginx/conf/

WORKDIR /
EXPOSE 80
CMD ["/usr/local/openresty/nginx/sbin/nginx", "-c", "/usr/local/openresty/nginx/conf/nginx.conf", "-g", "daemon off;"]

user root;
worker_processes auto;

worker_rlimit_nofile 65535;

events {
 worker_connections 102400;
 use epoll;
}

http {
 server_tokens off;
 include mime.types;
 default_type application/octet-stream;

 #access_log /var/log/nginx/access.log;
 access_log off;
 error_log /var/log/nginx/error.log;

 keepalive_timeout 65;
 client_max_body_size 10m;
 
 gzip on;
 gzip_disable "msie6";
 gzip_min_length 1000;
 gzip_proxied expired no-cache no-store private auth;
 gzip_types text/plain application/xml application/javascript text/css application/x-javascript;

 # The following 3 lines are to set nginx traffic statistics after installing the nginx-module-vts module. This article mainly talks about lua, so the following 3 lines can be commented out vhost_traffic_status_zone;
 vhost_traffic_status_filter_by_host on;
 vhost_traffic_status_filter_by_set_key $uri uri::$server_name;

 server {
  listen 80;
  root /usr/share/nginx/html;

  # Whether to enable cache for lua scripts. Set it to off in the debugging stage (no need to restart nginx after modifying lua files). Be sure to comment out this line in the formal environment to improve performance lua_code_cache off;

  # This location is the setting for actually calling the Lua script location /lua/test {
   #Specify the return type is json
   default_type 'application/json';
   #Specify that test.lua will return the content when accessing /lua/test. Note that this path is the path in the container and must not be confused with the host. content_by_lua_file '/usr/local/lua/test.lua';
  }

  # Also traffic statistics, you can comment out location /status {
   vhost_traffic_status_display;
   vhost_traffic_status_display_format html;
  }

 }
}

version: '3.1'
services:
  nginx:
    build: build # The build on the left means that the current container needs to build an image, and the build on the right means that the image building file is in the build directory restart: always
    container_name: nginx
    network_mode: host # You don't have to specify the host mode, it's just for convenience volumes:
      - ./nginx.conf:/usr/local/openresty/nginx/conf/nginx.conf
      - ./log:/var/log/nginx/
      - ./wwwroot:/usr/share/nginx/html
      - ./lua:/usr/local/lua

ngx.say('{"code": 1, "msg": "hello world!"}')