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nginxでリバースプロキシを実装するときのserver_nameディレクティブのメモ

Last updated at Posted at 2016-06-23

##メモ

  • nginx.confのserverブロックでリクエストを振り分けるサーバを定義する
  • 複数のサーバにリクエストを振り分ける場合にどのサーバに振り分けるかの要因に用いられる
  • HTTPヘッダのHost値を見て判定される
  • 下記の順番で採用される
  • ワイルドカードや正規表現も使える
  • どれにもマッチしなかったらdefault_serverが指定されているサーバが採用される。それも無かったら一番上のブロックが採用される(らしい。検証の結果)
1. exact name
2. longest wildcard name starting with an asterisk, e.g. “*.example.org”
3. longest wildcard name ending with an asterisk, e.g. “mail.*”
4. first matching regular expression (in order of appearance in a configuration file)

##検証

環境はその時の。

nginx.conf
server {
         listen 8082;
         server_name www.hoge.click;
         location / {
                proxy_pass http://10.0.2.124/index.click;
         }
}

server {
         listen 8082;
         server_name www.hoge.de;
         location / {
               proxy_pass http://10.0.2.124/index.de;
       }
 }

server {
        listen 8082 default_server;
        server_name localhost;
        location / {
               proxy_pass http://10.0.2.124/index.html;
        }
}

参考

Server names http://nginx.org/en/docs/http/server_names.html

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