Can Nginx configure a 404 page to correspond to multiple domain names?

Question

As in the title:

There is only one

server in nginx. All domain names are configured the same. Through the program, each domain name is an independent site. If you want each domain name to display its own 404 page when 404 occurs, , I don’t know how to configure and implement it under nginx

server {
    ...
    server_name a.com b.cn d.org ....; # 配置了很多域名
    ...
    
    error_page 404 /404.html;
}

Answer 1

Just move the following to the http scope. Don’t write one in each server
error_page 404 /404.html;

If you encounter this kind of problem, you should read the documentation:
Syntax: error_page code ... [=[response]] uri;
Default: —
Context: http, server, location, if in location

context represents the scope of this error_page syntax, indicating that it can be placed in http.

Answer 2

Try map

//context http

map $http_host $page {
    default  404.html;
    .com   404.com.html;
    .cn 404.cn.html;

}

//context server

error_page $page;