server {
    server_name website.com;
    location /document {
        return 701;
    }
    location ~* ^/docume.*$ {
        return 702;
    }
    location ~* ^/document$ {
        return 703;
    }

}
curl -I  website.com:8080/document 702
# 匹配702 因?yàn)檎齽t的優(yōu)先級(jí)更高,而且正則是一旦匹配到就直接退出 所以不會(huì)再匹配703

server {
    server_name website.com;
    location ~* ^/docume.*$ {
        return 701;
    }

    location ^~ /doc {
        return 702;
    }
    location ~* ^/document$ {
        return 703;
    }
}
curl http://website.com/document
HTTP/1.1 702
# 匹配702 因?yàn)?^~精確匹配的優(yōu)先級(jí)比正則高 也是匹配到之后支持退出

server {
    server_name website.com;
    location /doc {
        return 702;
    }
    location /docu {
        return 701;
    }
}
# 701 前綴匹配匹配是按照最長(zhǎng)匹配，跟順序無(wú)關(guān)

# html設(shè)置history模式
location / {
    index index.html index.htm;
    proxy_set_header Host $host;
    # history模式最重要就是這里
    try_files $uri $uri/ /index.html;
    # index.html文件不可以設(shè)置強(qiáng)緩存 設(shè)置協(xié)商緩存即可
    add_header Cache-Control 'no-cache, must-revalidate, proxy-revalidate, max-age=0';
}

# 接口反向代理
location ^~ /api/ {
    # 跨域處理 設(shè)置頭部域名
    add_header Access-Control-Allow-Origin *;
    # 跨域處理 設(shè)置頭部方法
    add_header Access-Control-Allow-Methods 'GET,POST,DELETE,OPTIONS,HEAD';
    # 改寫(xiě)路徑
    rewrite ^/api/(.*)$ /$1 break;
    # 反向代理
    proxy_pass http://static_env;
    proxy_set_header Host $http_host;
}

location ~* \.(?:css(\.map)?|js(\.map)?|gif|svg|jfif|ico|cur|heic|webp|tiff?|mp3|m4a|aac|ogg|midi?|wav|mp4|mov|webm|mpe?g|avi|ogv|flv|wmv)$ {
    # 靜態(tài)資源設(shè)置七天強(qiáng)緩存
    expires 7d;
    access_log off;
}

server {
    listen 80;
    server_name taobao.com;
    index index.html index.htm;
    # 通過(guò)正則來(lái)匹配捕獲 [tmall|alipay]中間的這個(gè)路徑
    location ~ ^/([^\/]+)/(.*)$ {
        try_files $uri $uri/ /$1/dist/index.html =404;
    }
}

upstream backserver{ 
    # 哈希算法，自動(dòng)定位到該服務(wù)器 保證唯一ip定位到同一部機(jī)器 用于解決session登錄態(tài)的問(wèn)題
    ip_hash; 
    server 127.0.0.1:9090 down; (down 表示單前的server暫時(shí)不參與負(fù)載) 
    server 127.0.0.1:8080 weight=2; (weight 默認(rèn)為1.weight越大，負(fù)載的權(quán)重就越大) 
    server 127.0.0.1:6060; 
    server 127.0.0.1:7070 backup; (其它所有的非backup機(jī)器down或者忙的時(shí)候，請(qǐng)求backup機(jī)器) 
} 

upstream stable {
    server xxx max_fails=1 fail_timeout=60;
    server xxx max_fails=1 fail_timeout=60;
 }
upstream canara {
   server xxx max_fails=1 fail_timeout=60;
}

server {
    listen 80;
    server_name  xxx;
    # 設(shè)置默認(rèn)
    set $group "stable";

    # 根據(jù)cookie頭部設(shè)置接入的服務(wù)
    if ($http_cookie ~* "tts_version_id=canara"){
        set $group canara;
    }
    if ($http_cookie ~* "tts_version_id=stable"){
        set $group stable;
    }
    location / {
        proxy_pass http://$group;
        proxy_set_header   Host             $host;
        proxy_set_header   X-Real-IP        $remote_addr;
        proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
        index  index.html index.htm;
    }
}

upstream ssr {
    server xxx max_fails=1 fail_timeout=60;
    server xxx max_fails=1 fail_timeout=60;
 }
upstream csr {
    server xxx max_fails=1 fail_timeout=60;
    server xxx max_fails=1 fail_timeout=60;
}

location ^~ /ssr/ {
    proxy_pass http://ssr;
    # 開(kāi)啟自定義錯(cuò)誤捕獲 如果這里不設(shè)置為on的話 會(huì)走向nginx處理的默認(rèn)錯(cuò)誤頁(yè)面
    proxy_intercept_errors on;
    # 捕獲500系列錯(cuò)誤 如果500錯(cuò)誤的話降級(jí)為下面的csr渲染
    error_page 500 501 502 503 504 = @csr_location

    # error_page 500 501 502 503 504 = 200 @csr_location
    # 注意這上面的區(qū)別 等號(hào)前面沒(méi)有200 表示 最終返回的狀態(tài)碼已 @csr_location為準(zhǔn) 加了200的話表示不管@csr_location返回啥都返回200狀態(tài)碼
}

location @csr_location {
    # 這時(shí)候地址還是帶著/ssr/的要去除
    rewrite ^/ssr/(.*)$ /$1 break;
    proxy_pass http://csr;
    rewrite_log on;
}

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

  # 設(shè)置日志格式
  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
  '$status $body_bytes_sent "$http_referer" '
  '"$http_user_agent" "$http_x_forwarded_for"'
  '"$proxy_host" "$upstream_addr"';

  access_log  /var/log/nginx/access.log  main;

  sendfile        on;
  keepalive_timeout  65;

  # 開(kāi)啟gzip
  gzip on;
  gzip_vary on;
  gzip_proxied any;
  gzip_comp_level 6;
  gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml;

  # 負(fù)載均衡 這里可以是多個(gè)cos桶地址即可
  upstream static_env {
    server xxx;
    server xxx;
  }

  # map 設(shè)置變量映射 第一個(gè)變量指的是要通過(guò)映射的key值 Accpet 第二個(gè)值的是變量別名
  map $http_accept $webp_suffix {
    # 默認(rèn)為 空字符串
    default   "";
    # 正則匹配如果Accep含有webp字段 設(shè)置為.webp值
    "~*webp"  ".webp";
  }
  server {

    listen 8888;
    absolute_redirect off;    #取消絕對(duì)路徑的重定向
    #網(wǎng)站主頁(yè)路徑。此路徑僅供參考，具體請(qǐng)您按照實(shí)際目錄操作。
    root /usr/share/nginx/html;

    location / {
      index index.html index.htm;
      proxy_set_header Host $host;
      try_files $uri $uri/ /index.html;
      add_header Cache-Control 'no-cache, max-age=0';
    }

    # favicon.ico
    location = /favicon.ico {
      log_not_found off;
      access_log off;
    }

    # robots.txt
    location = /robots.txt {
      log_not_found off;
      access_log off;
    }

    # 
    location ~* \.(png|jpe?g)$ {
      # Pass WebP support header to backend
      # 如果header頭部中支持webp
      if ($webp_suffix ~* webp) {
        # 先嘗試找是否有webp格式圖片
        rewrite ^/(.*)\.(png|jpe?g)$ /$1.webp break;
        # 找不到的話 這里捕獲404錯(cuò)誤 返回原始錯(cuò)誤 注意這里的=號(hào) 代表最終返回的是@static_img的狀態(tài)嗎
        error_page 404 = @static_img;
      }
      proxy_intercept_errors on;
      add_header Vary Accept;
      proxy_pass http://static_env;
      proxy_set_header Host $http_host;
      expires 7d;
      access_log off;
    }

    location @static_img {
      #set $complete $schema $server_addr $request_uri;
      rewrite ^/.+$ $request_uri break;
      proxy_pass http://static_env;
      proxy_set_header Host $http_host;
      expires 7d;
    }


    # assets, media
    location ~* \.(?:css(\.map)?|js(\.map)?|gif|svg|jfif|ico|cur|heic|webp|tiff?|mp3|m4a|aac|ogg|midi?|wav|mp4|mov|webm|mpe?g|avi|ogv|flv|wmv)$ {
      proxy_pass http://static_env;
      proxy_set_header Host $http_host;
      expires 7d;
      access_log off;
    }


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