Nginx+Tomcat动静分离及Nginx优化(企业案例)

[root@localhost ~]# tar zxvf jdk-7u45-linux-x64.tar.gz
[root@localhost ~]# mv jdk1.7.0_45/ /usr/local/jdk
[root@localhost ~]# vi /etc/profile
JAVA_HOME=/usr/local/jdk
PATH=$PATH:$JAVA_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export JAVA_HOME PATHCLASSPATH
[root@localhost ~]# source /etc/profile
[root@localhost ~]# java -version  #显示版本说明成功
java version"1.7.0_45"

[root@localhost ~]# tar zxvf apache-tomcat-8.0.0-RC5.tar.gz
[root@localhost ~]# mv apache-tomcat-8.0.0-RC5 /usr/local/tomcat

[root@localhost ~]# groupadd tomcat
[root@localhost ~]# useradd -g tomcat tomcat
[root@localhost ~]# passwd tomcat
[root@localhost ~]# chown tomcat.tomcat -R /usr/local/tomcat
[root@localhost ~]# su - tomcat /usr/local/tomcat/bin/startup.sh
[root@localhost ~]# echo 'su - tomcat -c "tomcat /usr/local/tomcat/bin/startup.sh"' >> /etc/rc.local  #开机启动

[root@localhost ~]# groupadd nginx
[root@localhost ~]# useradd -g nginx -s /sbin/nologin nginx
[root@localhost ~]# yum install –y make zlib-devel openssl-devel pcre-devel
[root@localhost ~]# tar zxvf nginx-1.4.4.tar.gz
[root@localhost ~]# cd nginx-1.4.4
[root@localhost nginx-1.4.4]# ./configure --prefix=/usr/local/nginx --with-http_ssl_module --with-http_gzip_static_module --with-http_stub_status_module
[root@localhost nginx-1.4.4]# make && make install

[root@localhost ~]# vi /usr/local/nginx/conf/nginx.conf
user  nginx;
worker_processes  1;
error_log  logs/error.log;
pid       logs/nginx.pid;
events {
    use epoll;
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    #日志格式定义
    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;
    sendfile        on;
    keepalive_timeout  65;
    #gzip压缩功能设置
    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-javascripttext/css application/xml;
    gzip_vary on;
    server {
        listen       80;
        server_name www.test.com;
        location / {
    #jsp网站程序根目录，一般nginx与tomcat在同一个目录
            root  /usr/local/tomcat/webapps/ROOT;
            index  index.html index.jsp index.html;
        }
        location ~ .*.jsp$ {
            index index.jsp;
            proxy_pass http://127.0.0.1:8080;   #来自jsp请求交给tomcat处理
            proxy_redirect off;
            proxy_set_header Host $host;    #后端的Web服务器可以通过X-Forwarded-For获取用户真实IP
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            client_max_body_size 10m;   #允许客户端请求的最大单文件字节数
            client_body_buffer_size 128k; #缓冲区代理缓冲用户端请求的最大字节数
            proxy_connect_timeout 90;   #nginx跟后端服务器连接超时时间
            proxy_read_timeout 90;      #连接成功后，后端服务器响应时间
            proxy_buffer_size 4k;       #设置代理服务器（nginx）保存用户头信息的缓冲区大小
            proxy_buffers 6 32k;        #proxy_buffers缓冲区，网页平均在32k以下的话，这样设置
            proxy_busy_buffers_size 64k;#高负荷下缓冲大小（proxy_buffers*2）
            proxy_temp_file_write_size 64k; #设定缓存文件夹大小，大于这个值，将从upstream服务器传
        }
        location ~ .*\.(gif|jpg|png|bmp|swf)$   #由nginx处理静态页面
        {
            expires 30d;   #使用expires缓存模块，缓存到客户端30天
        }
        location ~ .*\.(jsp|js|css)?$
        {
            expires 1d;
        }
            error_page  404         /404.html;   #错误页面
            error_page  500 502 503 504  /50x.html;
            location = /50x.html {
            root html;
        }
    }
}

[root@localhost ~]# vi /etc/init.d/nginx
#!/bin/bash
# chkconfig: 345 99 20
# description: Nginx servicecontrol script
PROG="/usr/local/nginx/sbin/nginx"
PIDF="/usr/local/nginx/logs/nginx.pid"
case "$1" in
start)
$PROG
echo "Nginx servicestart success."
;;
stop)
kill -s QUIT $(cat $PIDF)
echo "Nginx service stopsuccess."
;;
restart)
$0 stop
$0 start
;;
reload)
kill -s HUP $(cat $PIDF)
echo"reload Nginx configsuccess."
;;
*)
echo "Usage: $0{start|stop|restart|reload}"
exit 1
esac

[root@localhost ~]# chmod +x /etc/init.d/nginx
[root@localhost ~]# service nginx restart
[root@localhost ~]# chkconfig --add nginx
[root@localhost ~]# chkconfig nginx on