WordPress in a subdirectory

README.md

1. Go to Settings -> General
2. Change Wordpress URL and Site URL to https://domain.ir/blog
3. Create the liara_nginx.conf in a static app with the following content and deploy it.
4. Update wp-config.php.

You're good to go.

liara_nginx.conf

resolver 127.0.0.11 ipv6=off valid=5s;

location / {
  index  index.html index.htm;
}

location ~/blog(.*)$ {
  proxy_set_header Host $http_host;
  proxy_set_header X-Forwarded-For $remote_addr;
  proxy_set_header X-Forwarded-Proto https;

  set $wpblog app-id:80;
  proxy_pass http://$wpblog$1;
}

wp-config.php

<?php

// Put the following 2 lines to the wp-config.php file before the "That's all, stop editing! Happy publishing." comment

$_SERVER['REQUEST_URI'] = str_replace("/wp-admin", "/blog/wp-admin",  $_SERVER['REQUEST_URI']);

define( 'CONCATENATE_SCRIPTS', false );