nginx 设置为图片服务器

 location ~ .*.(gif|jpg|jpeg|png)$ {  
    expires 24h;  
      root /home/images/;#指定图片存放路径  
      access_log /usr/local/websrv/nginx-1.9.4/logs/images.log;#日志存放路径，如果不需要则需要注释掉  
      proxy_store on;  
      proxy_store_access user:rw group:rw all:rw;  
      proxy_temp_path     /home/images/;#图片访问路径  
      proxy_redirect     off;  
      proxy_set_header    Host 127.0.0.1;  
      client_max_body_size  10m;  
      client_body_buffer_size 1280k;  
      proxy_connect_timeout  900;  
      proxy_send_timeout   900;  
      proxy_read_timeout   900;  
      proxy_buffer_size    40k;  
      proxy_buffers      40 320k;  
      proxy_busy_buffers_size 640k;  
      proxy_temp_file_write_size 640k;  
      if ( !-e $request_filename)  
      {  
         proxy_pass http://127.0.0.1;#默认80端口  
      }  
  }