域名直接指向A服务器,如果A服务器没有资源,则rewrite到B服务器,该如何设置?
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location / {
root /var/www/a.com
if (!-e $request_filename) {
proxy_pass http://b.com;
proxy_store on;
proxy_temp_path /var/www/a.com;
}
}
参考如下配置：
server {
listen 80;
server_name _;
charset utf-8,gbk;
#access_log logs/host.access.log main;
location / {
root /usr/share/nginx/html;
index index.html index.htm;
}
error_page 404 /404.html;
location = /404.html {
rewrite ^(.*) http://www.xxx.com;
}
}