How to configure nginx 404 page

Recently I set up a jump to the 404 page on the site. Because I am not very familiar with Nginx, I took a lot of detours. I will record it here and hope it can help everyone solve the problem. .

1. 404 page

First we need a 404 page. For this page, I put all the css, js and html in one page. It exists The location can be set by you. The location where I store it is in the nginx directory of the server. The name is 404.html

/etc/nginx/error/404.html

2. nginx configuration file

We need to Configure the jump to the 404 error page in the nginx.conf file

http {
  ...
  ...
  ...
  server {
    ...
    ...
    ...
    error_page 404 /404.html;
    location = /404.html {
        root /etc/nginx/error;
    }
  }  
}

Most of the ones you can find on the Internet are like this, and then I tried it many times but nothing worked. Finally, I found an article about I tried the attribute of proxy_intercept_errors and configured it as follows.

http {
  ...
  ...
  ...
  proxy_intercept_errors: on;
  ...
  ...
  ...
  server {
    ...
    ...
    ...
    error_page 404 /404.html;
    location = /404.html {
        root /etc/nginx/error;
    }
  }  
}

Then it’s OK. During the configuration process, I forgot to add a semicolon, which caused the page to display abnormally. You also need to pay attention here.

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