nginx分发请求的2种方式：1、指明server_name;2、通过location过滤uri来分发请求;

user  nginx;
worker_processes  8; # = cpu num;

error_log  /data/nginx/log/error/error.log warn; # warn, error crit, alert, and emerg levels are logged.  NGINX Docs | Configuring Logging https://docs.nginx.com/nginx/admin-guide/monitoring/logging/

#pid        logs/nginx.pid;

events {
    worker_connections  10240;
    multi_accept on;
    use epoll;
}

http {
    # log  NGINX Docs | Configuring Logging https://docs.nginx.com/nginx/admin-guide/monitoring/logging/
    log_format compression '$http_host - $remote_addr - $remote_user [$time_local] '
                           '"$request" $status $body_bytes_sent '
                           '"$http_referer" "$http_user_agent" "$gzip_ratio"';
    gzip on;
    access_log /data/nginx/log/access/nginx-access.log compression;

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

    server_tokens off;
        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        keepalive_timeout 10;
        client_header_timeout 10;
        client_body_timeout 10;
        reset_timedout_connection on;
        send_timeout 10;
        limit_conn_zone $binary_remote_addr zone=addr:5m;
        limit_conn addr 100;
        charset UTF-8;

    open_file_cache max=100000 inactive=20s;
        open_file_cache_valid 30s;
        open_file_cache_min_uses 2;
        open_file_cache_errors on;
        client_max_body_size 151M;

    server {
        listen       80;
        location  ~ ^/visit/index?.+$ {
           proxy_pass http://1.2.19.19:18080;
                   access_log /data/nginx/log/access/nginx-access-proxy_pass.log compression;
        }
    }
# 分发请求的2种方式：1、指明server_name;2、通过location过滤uri来分发请求;
        server {
                listen       80;
                server_name  localhost;

                #charset koi8-r;
                #access_log  logs/host.access.log  main;

                root   /var/www/statistics_20170105/public;

                location / {
                    index  index.php index.html index.htm;
                    if (!-e $request_filename) {
                        rewrite ^/(.*)  /index.php?$1 last;
                    }
                }

                #error_page  404              /404.html;

                # redirect server error pages to the static page /50x.html
                #
                error_page   500 502 503 504  /50x.html;
                location = /50x.html {
                    root   html;
                }
                location ~ \.php$ {
                        fastcgi_pass   127.0.0.1:9000;
                        fastcgi_index  index.php;
                        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
                        include        fastcgi_params;

                }
        }
        server {
                listen       80;
                server_name  per.go-old.com;

                #charset koi8-r;
                #access_log  logs/host.access.log  main;

                root   /var/www/opcenter/public;

                location / {
                    index  index.php index.html index.htm;
                    if (!-e $request_filename) {
                        rewrite ^/(.*)  /index.php?$1 last;
                    }
                }

                #error_page  404              /404.html;

                # redirect server error pages to the static page /50x.html
                #
                error_page   500 502 503 504  /50x.html;
                location = /50x.html {
                    root   html;
                }
                location ~ \.php$ {
                        fastcgi_pass   127.0.0.1:9000;
                        fastcgi_index  index.php;
                        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
                        include        fastcgi_params;

                }
        }
        server {
                listen       80;
                server_name  yzt.go-old.com pay.go-old.com xmt.go-old.com;

                #charset koi8-r;
                #access_log  logs/host.access.log  main;

                root   /var/www/yzt/public;

                location / {
                    index  index.php index.html index.htm;
                    if (!-e $request_filename) {
                        rewrite ^/(.*)  /index.php?$1 last;
                    }
                }

                #error_page  404              /404.html;

                # redirect server error pages to the static page /50x.html
                #
                error_page   500 502 503 504  /50x.html;
                location = /50x.html {
                    root   html;
                }
                location ~ \.php$ {
                        fastcgi_pass   127.0.0.1:9000;
                        fastcgi_index  index.php;
                        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
                        include        fastcgi_params;

                }
        }
}