ingress跨域配置

nginx.ingress.kubernetes.io/configuration-snippet: |
   proxy_ignore_client_abort on;
   add_header X-Frame-Options SAMEORIGIN;
   set $cors_origin "";
   if ($http_origin ~* "^https://*.baidu.com$") {
        set $cors_origin $http_origin;
   }
   more_set_headers "Access-Control-Allow-Origin: $cors_origin";
   more_set_headers "Access-Control-Allow-Credentials: false";
   more_clear_headers "Server";

验证

curl -H 'Origin: https://www.baidu.com'  -I  -X GET https://www.baidu.com