nginx.conf

user  nginx;
worker_processes  auto;

error_log  /usr/local/nginx/logs/error.log error;
pid        /var/run/nginx.pid;

#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 51200;

events {
  use epoll;
  worker_connections 51200;
  multi_accept on;
}

# load modules compiled as Dynamic Shared Object (DSO)
#
#dso {
#    load ngx_http_fastcgi_module.so;
#    load ngx_http_rewrite_module.so;
#}

http {
    include       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"'
                      ' "$upstream_addr"'
                      ' ups_resp_time: $upstream_response_time '
                      ' request_time: $request_time';

    # access_log  /usr/local/nginx/logs/access.log  main;
    access_log off;

    # Hide nginx version information
    server_tokens off;
    server_info off;

    # Tell all agents to _only_ use HTTPS
    # add_header Strict-Transport-Security "max-age=31536000";
    # ssl_prefer_server_ciphers on;
    # ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    # ssl_ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS;

    sendfile on;
    tcp_nopush on;

    keepalive_timeout 65;

    server_names_hash_bucket_size 128;
    client_body_buffer_size 128k;
    client_header_buffer_size 32k;
    large_client_header_buffers 4 32k;
    client_max_body_size 10m;

    client_header_timeout  15;
    client_body_timeout    15;
    send_timeout           12;

    tcp_nodelay on;

    fastcgi_connect_timeout 300;
    fastcgi_send_timeout 300;
    fastcgi_read_timeout 300;
    fastcgi_buffer_size 64k;
    fastcgi_buffers 4 64k;
    fastcgi_busy_buffers_size 128k;
    fastcgi_temp_file_write_size 256k;

    gzip on;
    gzip_min_length  1k;
    gzip_buffers 4 16k;
    gzip_http_version 1.1;
    gzip_comp_level 2;
    gzip_vary on;
    gzip_proxied expired no-cache no-store private auth;
    gzip_disable "MSIE [1-6]\.";
    gzip_types
      application/atom+xml
      application/javascript
      application/x-javascript
      application/json
      application/rss+xml
      application/stylesheet
      application/vnd.ms-fontobject
      application/x-font-ttf
      application/x-web-app-manifest+json
      application/xhtml+xml
      application/xml
      font/opentype
      font/ttf
      font/otf
      image/svg+xml
      image/x-icon
      text/css
      text/javascript
      text/plain
      text/xml
      text/x-component;

    #limit_conn_zone $binary_remote_addr zone=perip:10m;
    ##If enable limit_conn_zone,add "limit_conn perip 10;" to server section.
    # limit_req_zone $binary_remote_addr zone=req_limit_per_ip:10m rate=5r/s;
    ## add "limit_req zone=req_limit_per_ip burst=10 nodelay;" to server section.


    include vhost/*.conf;


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl http2;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}