server { 
      
        
        
        
      
     listen 80; 
      
        
        
        
      
     server_name mysite.com; 
      
        
        
        
      
     ... 
      
        
        
        
      
     #      (     ) 
      
        
        
        
      
     location ~* ^.+\.(jpg|jpeg|gif|png|ico|css|pdf|ppt|txt|bmp|rtf|js)$ { 
      
        
        
        
      
     root /path/to/document/root/; #      
      
        
        
        
      
     access_log off; #    
      
        
        
        
      
     expires 3d; #     3  
      
        
        
        
      
     } 
      
        
        
        
      
     }