我整理的一份来自于线上的Nginx配置（Nginx.conf），希望对学习Nginx的有帮助

我整理了一份Nginx的配置文件说明，是真正经历过正式线上考验过。如果有优化的地方，也请朋友们指点一二，整理出一份比较全而实用的配置。

主要包含配置：负载均衡配置，页面重定向，转发，HTTPS和HTTP的配置, 缓存优化，错误页面配置等。

#user  nobody;
#工作进程，于CPU核数一致
worker_processes  2;

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

#pid        logs/nginx.pid;

events {
    # 设置可连接数
    worker_connections  2048;
	#优化同一时刻只有一个请求而避免多个睡眠进程被唤醒的设置，on为防止被同时唤醒，默认为off，因此nginx刚安装完以后要进行适当的优化。
	accept_mutex on;
	#打开同时接受多个新网络连接请求的功能
	multi_accept on;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    #隐藏nginx的版本号
    server_tokens off;

    #日志格式
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    #日志保存
    access_log  logs/access.log  main;

    sendfile        on;
    tcp_nopush     on;

    #保持连接超时时间
    keepalive_timeout  60;

    # 启动内容压缩，有效降低网络流量
    gzip on;
    # 过短的内容压缩效果不佳，压缩过程还会浪费系统资源
    gzip_min_length 1000;
    # 可选值1~9,压缩级别越高压缩率越高，但对系统性能要求越高
    gzip_comp_level 4;
    # 压缩的内容类别
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

	 # 静态文件缓存
    open_file_cache max=65535 inactive=20s;
    open_file_cache_valid 30s;
    open_file_cache_min_uses 2;

    #server {
      #  listen       80;
       # server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

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

        #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  /scripts$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;
    #    }
    #}

    #负载均衡 使用ip_hash策略，集群部署
    upstream raysonblog.cn {
        server 123.45.678.901:8081 weight=10 max_fails=1 fail_timeout=10s;
        server 123.45.678.902:8089 weight=5 max_fails=1 fail_timeout=10s;
    }

    # HTTPS server
    server {
        listen       443 ssl;
        server_name  www.raysonblog.cn;

	# 开启 ssl
	ssl on;
	# 指定 ssl 证书路径
	ssl_certificate cert/www.raysonblog.cn_bundle.crt;
	# 指定私钥文件路径
	ssl_certificate_key cert/raysonblog.cn.key;

	ssl_session_timeout 5m;
	ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
	ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
	ssl_prefer_server_ciphers on;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade; # 支持Websocket
        proxy_set_header Connection "upgrade"; # 支持Websocket

        proxy_set_header Host $host:$server_port;
        proxy_set_header  X-Forwarded-Server $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header  X-Forwarded-Proto $scheme; # 真实用户访问协议
        proxy_set_header REMOTE-HOST $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_max_temp_file_size 0;

        # 配置缓存
        client_max_body_size 10m;
        client_body_buffer_size 128k;
        proxy_connect_timeout 18000;
        proxy_send_timeout 18000;
        proxy_read_timeout 18000;
        proxy_buffer_size 4k;
        proxy_buffers 4 32k;
        proxy_busy_buffers_size 64k;
        proxy_temp_file_write_size 64k;

        # 处理/项目名a/a.jsp重定向到/项目名b/b.jsp
        location = /项目名a/a.jsp {
            rewrite . /项目名b/b.jsp permanent; # permanent 永久
        }

        location /项目名c { # 转发
            proxy_pass http://127.0.0.1:8080/项目名c;
        }  

        location /项目名d { #转发
            proxy_pass http://127.0.0.1:8080/项目名d;
        } 

        location /blog { # 负载均衡跟upstream 的配置一致
            proxy_pass http://raysonblog.cn/blog;
        }
    }

# HTTP Server
server {# 服务名及配置，一个服务下可以有多个location用来表示不同的反向代理
     listen       80; # 端口号
     server_name  www.raysonblog.cn; #主机名，默认是本主机  

    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";

    proxy_set_header Host $host:$server_port;
    proxy_set_header  X-Forwarded-Server $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header  X-Forwarded-Proto $scheme;        # 真实用户访问协议
    proxy_set_header REMOTE-HOST $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_max_temp_file_size 0;
    client_max_body_size 10m;
    client_body_buffer_size 128k;
    proxy_connect_timeout 18000;
    proxy_send_timeout 18000;
    proxy_read_timeout 18000;
    proxy_buffer_size 4k;
    proxy_buffers 4 32k;
    proxy_busy_buffers_size 64k;
    proxy_temp_file_write_size 64k;

    location = /MP_verify_1wqwq.txt {
        root weixin; #weixin是nginx目录下html文件里的weixin文件夹
    }

    # 处理/项目名a/a.jsp重定向到/项目名b/b.jsp
    location = /项目名a/a.jsp {
        rewrite . /项目名b/b.jsp permanent; # permanent 永久
    }

    location /项目名c { # 转发
        proxy_pass http://127.0.0.1:8080/项目名c;
    }  

    location /项目名d { #转发
        proxy_pass http://127.0.0.1:8080/项目名d;
    } 

    location /blog { # 负载均衡跟upstream 的配置一致
        proxy_pass http://raysonblog.cn/blog;
    }
}

}

后续也会继续完善此配置，大家在配置的时候，基本上可以满足应用了。。。

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