1、选择nginx处理静态资源的原因

虽然Tomcat和nginx都可以处理静态资源，但是nginx效率较高，但这不是主要原因

2、流程

2.1、将动态资源放入两台Tomcat，可以使用catalina.sh run启动，打印日志到Linux控制台（略）

2.2、一台主nginx

2.2.1、配置文件

  1. #user  nobody;
  2. worker_processes  1;
  4. #error_log  logs/error.log;
  5. #error_log  logs/error.log  notice;
  6. #error_log  logs/error.log  info;
  8. #pid        logs/nginx.pid;
  11. events {
  12.     worker_connections  1024;
  13. }
  16. http {
  17.     include       mime.types;
  18.     default_type  application/octet-stream;
  20.     #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
  21.     #                  '$status $body_bytes_sent "$http_referer" '
  22.     #                  '"$http_user_agent" "$http_x_forwarded_for"';
  24.     #access_log  logs/access.log  main;
  26.     sendfile        on;
  27.     #tcp_nopush     on;
  29.     #keepalive_timeout  0;
  30.     keepalive_timeout  65;
  32.     #gzip  on;
  36.     #配置两台Tomcat服务器的ip和端口号
  37.     #dynamic resources ip & port
  38.     upstream www.web.com {
  39.         server 192.168.90.129:8081 weight=2;
  40.         server 192.168.90.129:8082 weight=1;
  41.     }
  43.     #配置两台nginx服务器的ip和端口号
  44.     #static resouces ip & port
  45.     upstream static.resources {
  46.         server 192.168.90.129:81;
  47.         server 192.168.90.129:82;
  48.     }
  57.     server {
  58.         listen       80;
  59.         server_name  localhost;
  61.         #charset koi8-r;
  63.         #access_log  logs/host.access.log  main;
  71.         #配置动态资源的拦截地址
  72.         #dynamic resources
  73.         location / {
  74.             proxy_pass http://www.web.com;
  75.         }
  77.         #配置静态资源的拦截地址
  78.         #static resources
  79.         location ~.*/(img){
  80.             proxy_pass http://static.resources;
  81.         }
  89.         #error_page  404              /404.html;
  91.         # redirect server error pages to the static page /50x.html
  92.         #
  93.         error_page   500 502 503 504  /50x.html;
  94.         location = /50x.html {
  95.             root   html;
  96.         }
  98.         # proxy the PHP scripts to Apache listening on 127.0.0.1:80
  99.         #
  100.         #location ~ \.php$ {
  101.         #    proxy_pass   http://127.0.0.1;
  102.         #}
  104.         # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
  105.         #
  106.         #location ~ \.php$ {
  107.         #    root           html;
  108.         #    fastcgi_pass   127.0.0.1:9000;
  109.         #    fastcgi_index  index.php;
  110.         #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
  111.         #    include        fastcgi_params;
  112.         #}
  114.         # deny access to .htaccess files, if Apache's document root
  115.         # concurs with nginx's one
  116.         #
  117.         #location ~ /\.ht {
  118.         #    deny  all;
  119.         #}
  120.     }
  123.     # another virtual host using mix of IP-, name-, and port-based configuration
  124.     #
  125.     #server {
  126.     #    listen       8000;
  127.     #    listen       somename:8080;
  128.     #    server_name  somename  alias  another.alias;
  130.     #    location / {
  131.     #        root   html;
  132.     #        index  index.html index.htm;
  133.     #    }
  134.     #}
  137.     # HTTPS server
  138.     #
  139.     #server {
  140.     #    listen       443 ssl;
  141.     #    server_name  localhost;
  143.     #    ssl_certificate      cert.pem;
  144.     #    ssl_certificate_key  cert.key;
  146.     #    ssl_session_cache    shared:SSL:1m;
  147.     #    ssl_session_timeout  5m;
  149.     #    ssl_ciphers  HIGH:!aNULL:!MD5;
  150.     #    ssl_prefer_server_ciphers  on;
  152.     #    location / {
  153.     #        root   html;
  154.     #        index  index.html index.htm;
  155.     #    }
  156.     #}
  158. }

2.3、两台处理静态资源的nginx

2.3.1、配置文件

  1. #user  nobody;
  2. worker_processes  1;
  4. #error_log  logs/error.log;
  5. #error_log  logs/error.log  notice;
  6. #error_log  logs/error.log  info;
  8. #pid        logs/nginx.pid;
  11. events {
  12.     worker_connections  1024;
  13. }
  16. http {
  17.     include       mime.types;
  18.     default_type  application/octet-stream;
  20.     #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
  21.     #                  '$status $body_bytes_sent "$http_referer" '
  22.     #                  '"$http_user_agent" "$http_x_forwarded_for"';
  24.     #access_log  logs/access.log  main;
  26.     sendfile        on;
  27.     #tcp_nopush     on;
  29.     #keepalive_timeout  0;
  30.     keepalive_timeout  65;
  32.     #gzip  on;
  35.     server {
  39.         #---------------------------
  40.         #第一台nginx配置81端口
  41.         listen       81;
  43.         #第二台nginx配置82端口
  44.         #listen       82;
  45.         #----------------------------
  52.         server_name  localhost;
  54.         #charset koi8-r;
  56.         #access_log  logs/host.access.log  main;
  60.         #----------------------------
  61.         #配置静态资源文件的具体目录
  62.         location ~.*/(img){
  63.            root /opt/my/static;
  64.         }
  65.         #----------------------------
  70.         #error_page  404              /404.html;
  72.         # redirect server error pages to the static page /50x.html
  73.         #
  74.         error_page   500 502 503 504  /50x.html;
  75.         location = /50x.html {
  76.             root   html;
  77.         }
  79.         # proxy the PHP scripts to Apache listening on 127.0.0.1:80
  80.         #
  81.         #location ~ \.php$ {
  82.         #    proxy_pass   http://127.0.0.1;
  83.         #}
  85.         # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
  86.         #
  87.         #location ~ \.php$ {
  88.         #    root           html;
  89.         #    fastcgi_pass   127.0.0.1:9000;
  90.         #    fastcgi_index  index.php;
  91.         #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
  92.         #    include        fastcgi_params;
  93.         #}
  95.         # deny access to .htaccess files, if Apache's document root
  96.         # concurs with nginx's one
  97.         #
  98.         #location ~ /\.ht {
  99.         #    deny  all;
  100.         #}
  101.     }
  104.     # another virtual host using mix of IP-, name-, and port-based configuration
  105.     #
  106.     #server {
  107.     #    listen       8000;
  108.     #    listen       somename:8080;
  109.     #    server_name  somename  alias  another.alias;
  111.     #    location / {
  112.     #        root   html;
  113.     #        index  index.html index.htm;
  114.     #    }
  115.     #}
  118.     # HTTPS server
  119.     #
  120.     #server {
  121.     #    listen       443 ssl;
  122.     #    server_name  localhost;
  124.     #    ssl_certificate      cert.pem;
  125.     #    ssl_certificate_key  cert.key;
  127.     #    ssl_session_cache    shared:SSL:1m;
  128.     #    ssl_session_timeout  5m;
  130.     #    ssl_ciphers  HIGH:!aNULL:!MD5;
  131.     #    ssl_prefer_server_ciphers  on;
  133.     #    location / {
  134.     #        root   html;
  135.     #        index  index.html index.htm;
  136.     #    }
  137.     #}
  139. }