halo+lua+nginx缓存实现毫秒级访问速度 - 乐享诚美

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    lua_package_path "/usr/servers/nginx/conf/lualib/?.lua;;";
    lua_package_cpath "/usr/servers/nginx/conf/lualib/?.so;;";
    include       mime.types;
    default_type  application/octet-stream;
    lua_shared_dict my_cache 128m;
    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;
    proxy_intercept_errors on;
    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    upstream halo {
 	 server ip:8080;
    }

    server {
        gzip on;
        gzip_buffers 16 8K;
        gzip_comp_level 9;
        gzip_min_length 1k;
        gzip_types application/javascript text/css text/xml application/json;
        gzip_vary on;
        listen       80;
        server_name  holdall.cn;
	listen 443 ssl;
	ssl_certificate holdall.cn_bundle.crt;
	ssl_certificate_key holdall.cn.key;
	ssl_session_timeout 5m;
	ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
	ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:HIGH:!aNULL:!MD5:!RC4:!DHE;
        ssl_prefer_server_ciphers on;
	#set $template_location "/templates";
        #set $template_root "/usr/servers/nginx/conf/templates";
        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
	    default_type text/html;
            content_by_lua_file lua/test.lua;
	}

	#location /blog {
   	#	 proxy_pass http://halo/;
   #		 proxy_set_header HOST $host;
    	#	 proxy_set_header X-Forwarded-Proto $scheme;
    #		 proxy_set_header X-Real-IP $remote_addr;
   # 		 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#	}
        location ~ \.(css|htc|less|js|js2|js3|js4)$ {
		proxy_pass http://halo;
	}
	#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;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        location ~ \.php$ {
            root           html;
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME  /usr/share/nginx/html$fastcgi_script_name;
            include        fastcgi_params;
        }

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}
}

local cjlcache = ngx.shared.my_cache
local urlcache = ngx.var.request_uri;
local cjltest = cjlcache:get(urlcache)
if cjltest ~= "" and cjltest ~= nil then
  ngx.say(cjltest)
else
--  os.execute("curl -o /usr/servers/nginx/conf/templates/test1.html https://holdall.cn");
  local f = io.popen("curl http://119.45.255.46:8080" .. urlcache)
  local context = f:read("*a")
  cjlcache:set(urlcache,context,600)
  ngx.say(context)
end
- ```

粗暴的方法，缓存下每张页面的内容，下次访问直接通过nginx就返回即可，无需再进行交互，从而达到快速响应目的