start docker-compose up --build

copies files

cancel and docker-compose down

cancel and shut down

add

define('WP_HOME', '/blog');
define('WP_SITEURL', '/blog');
$_SERVER['REQUEST_URI'] = str_replace("/", "/blog/",  $_SERVER['REQUEST_URI']);

at the beginning of wp-config.php

docker-compose up --build

make installation

docker-compose down

remove 3 lines added to wp-config.php

docker-compose up --build

in the settings change to permalink settings -> permalink -> choose whatever