nginx

nginx 配置

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# 验证配置
nginx -t
# 配置目录 /etc/nginx/
# 默认html目录  /usr/share/nginx/html

# 全局配置
#user  nobody;
worker_processes  1;   # 控制并发数   根据 CPU 核数

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

#pid        logs/nginx.pid;

events {  # 影响 nginx 服务器与用户网络连接
    worker_connections  1024;   # 支持最大连接数
}


http {
    include       mime.types;    # 对应文件处理类型
    default_type  application/octet-stream;     # 找不到 的话 默认用 二进制流

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

    #access_log  logs/access.log  main;    日志位置

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

  	# include   /usr/local/nginx/conf/conf.d/*.conf;   # 其余配置;

    #gzip  on;

    server {
        listen       80;     # 监听端口号
        server_name  localhost;    # 服务器主机名/ip

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   /usr/share/nginx/html;     # 主目录
      			proxy_pass   http://127.0.0.1:8080;   # 80端口 转发到 8080
            index  index.html index.htm;   # 默认打开的页面
        }

        #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;
    #    }
    #}


    # 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;
    #    }
    #}

}

匹配

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location = /a {   // 优先级最高  等于 /a    /a/b 不行

}

location ^~ /a {  // 优先级次高  以 /a 开头

}

location ~ /\w {  // 正则表达式  ~ 标识符

}

location / {

}

同优先级的，匹配程度较高的先匹配

匹配程度一样的， 写在前面的先匹配

反向代理

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location / {
​	proxy_pass http://ip;
}

location  /b/ {    会导致  /b/x --> http://ip/x;
​	proxy_pass http://ip/;
}

负载均衡

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upstream group1 {
​	server ip:80 weight=1; // weight  权重
​	server ip:81;
}

upstream group1 {
​	ip_hash   # 解决 session 问题
​	server ip:80 weight=1; // weight  权重
​	server ip:81;
}

upstream group1 {
​	server ip:80 weight=1; // weight  权重
​	server ip:81;
​	fair # 根据请求响应时间 分配
}

location /a/ {
​	proxy_pass http://group1/;
}

CURL

curl http://xxx/xx/xx -H “A:B” -X POST -d “age=22”

cron 计时器

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分   时   日   月   星期
*    *    *   *    *             *  每一     , 并列   -连续   / 整除


20,40   *   *   *   *
20-40   *   *   *   *
[20,40] *   *   *   *
*/2(0=/2)  *   *   *   *

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location /api/ {
    proxy_pass http://localhost:81/;
    index index.html index.htm;
}

location /api/ {
    proxy_pass http://localhost:81/;
    root   html;
    index  index.html index.htm;
}



worker_processes  1;

events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;

    keepalive_timeout  65;
    server {
        listen       80;
        server_name  localhost;

        location / {
            root   /usr/share/nginx/html;
            index  index.html index.htm;
        }

        location /api/ {
            proxy_pass  http://node:8080/;
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   /usr/share/nginx/html;
        }
    }
}