Change .env file

key	value
APP_ENV	production
APP_DEBUG	false
DEBUGBAR_ENABLED	false

If redis is installed ;
Change CACHE_DRIVER to redis ;
If Supervisor is installed; Change QUEUE_DRIVER to redis ;

Composer

composer install --no-dev --optimize-autoloader

Schedules

crontab -e

Add the following code

* * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1

Change /path-to-your-project to your project path;