server {
   listen       80;
   listen  [::]:80;
   server_name  localhost;

   gzip on;
   gzip_static on;
   gzip_comp_level 6;
   gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

   location / {
        root /usr/share/nginx/html;
        #index index.html;
        try_files $uri $uri/ /index.html;
        client_max_body_size 300m;   #最大接受300m文件以内的
        client_body_timeout 20s;
   }

   location ~ .*\.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css){
       root    /usr/share/nginx/html;
       expires 7d;
   }

   #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   /usr/share/nginx/html;
   }
}