A clean, correct, and safe nginx configuration for a Laravel project in a subdirectory using alias.

laravel-sub-directory.conf

# Host Laravel in sub-directory on Nginx

location = /laravel-app {
    return 301 /laravel-app/;
}

location /laravel-app/ {
    alias /var/www/laravel-app/public/;
    try_files $uri $uri/ @laravelproject;
}

location ~ ^/laravel-app/(.*\.php)$ {
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME /var/www/laravel-app/public/$1;
        fastcgi_pass php_workers;
# or
#        fastcgi_pass unix:/run/php/php8.4-fpm.sock;
}

location @laravelproject {
        rewrite /laravel-app/(.*)$ /laravel-app/index.php?/$1 last;
}