URI mapping with nginx

nginx_uri_map.conf

# example.local/blog?query=code -> example.local/news?query=code
# example.local/blog/?query=code -> example.local/news?query=code

map $uri $new_uri {
    /blog /news;
    /test /demo;
}

server {
    listen 80;
    
    default_type text/html;
    
    server_name example.local;

    if ($uri ~ ^/(.*)/$) {
        return 301 $scheme://$host/$1$is_args$args;
    }

    if ($new_uri) {
       return 301 $new_uri$is_args$args;
    }

    location / {
        return 200 "Hello world!";
    }    
}