Nginx 静态资源缓存配置

Nginx上可以缓存一些不常更新的静态资源配置来节约访问带宽.

没缓存前(不走nginx):

 没缓存(走nginx)

 配置走nginx缓存

user www www;
worker_processes 2; #设置值和CPU核心数一致
error_log /usr/local/webserver/nginx/logs/nginx_error.log crit; #日志位置和日志级别
#access_log /usr/local/webserver/nginx/logs/access.log crit;
pid /usr/local/webserver/nginx/nginx.pid;
#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 65535;
events
{
  use epoll;
  worker_connections 65535;
}
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';
  
#charset gb2312;
     
  server_names_hash_bucket_size 128;
  client_header_buffer_size 32k;
  large_client_header_buffers 4 32k;
  client_max_body_size 8m;
     
  sendfile on;
  tcp_nopush on;
  keepalive_timeout 60;
  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 128k;
  gzip on; 
  gzip_min_length 1k;
  gzip_buffers 4 16k;
  gzip_http_version 1.0;
  gzip_comp_level 2;
  gzip_types text/plain application/x-javascript text/css application/xml;
  gzip_vary on;
 
  ##cache##
  proxy_buffer_size 16k;
  proxy_buffers 4 64k;
  proxy_busy_buffers_size 128k;
  proxy_temp_file_write_size 128k;
  proxy_temp_path /usr/local/webserver/nginx/temp;
  proxy_cache_path /usr/local/webserver/nginx/cache levels=1:2 keys_zone=cache_one:200m inactive=1d max_size=30g;
  ##end##

  #limit_zone crawler $binary_remote_addr 10m;
 #下面是server虚拟主机的配置

    upstream web_back{  
        server 127.0.0.1:8080; #并且可以分配权重weight,这样来配置集群服务器的访问优先权  
    } 


 server
  {
    listen 8060;#监听端口

    #缓存相应的文件(静态文件)  
    location ~ .*.(gif|jpg|jpeg|png|css|js|ico)$ {  
        proxy_pass http://web_back;         #如果没有缓存则通过proxy_pass转向请求  
        proxy_redirect off;  
        access_log off;# 关闭日志
        proxy_set_header Host $host;  
        proxy_cache cache_one;  
        proxy_cache_valid 200 302 24h;                              #对不同的HTTP状态码设置不同的缓存时间,h小时,d天数  
        proxy_cache_valid 301 1d;  
        proxy_cache_valid any 1m;  
        expires 30d;
        add_header wall "cache-file";
    }  

	#web 使用
	location /cpeducloud {
            proxy_pass http://localhost:8080/cpeducloud;
	    proxy_redirect http:// https://;
	    sendfile off;	
            proxy_set_header   Host             $host:$server_port;
            proxy_set_header   X-Real-IP        $remote_addr;
            proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
            proxy_set_header   Upgrade $http_upgrade;    
            proxy_set_header   Connection "Upgrade";
	    proxy_max_temp_file_size 0;

            #this is the maximum upload size
            client_max_body_size       0;
            client_body_buffer_size    128k;

            proxy_connect_timeout      90;
            proxy_send_timeout         180;
            proxy_read_timeout         180;

            proxy_temp_file_write_size 64k;
            # Required for new HTTP-based CLI
            proxy_http_version 1.1;
           
		
    }
	location /download {
	    proxy_pass http://localhost:8080/cpeducloud;
	    proxy_redirect http:// https://;
		
		#下载速度限制
		#limit_rate_after 10m; 
		limit_rate 5k;
	}
	
	access_log logs/cpeducloud.log main;
   
  }
  
}

　　现在第一次请求会放到缓存中,第二次就直接走的缓存

 看请求的时间,节约下来了很多

 可以看出效果还是比较明显的