install laravel swoole on Ubuntu 21.04

install-laravel-swoole

# using Ubuntu
# install laravel first
laravel new my-app

# get laravel octane package
composer require laravel/octane

# maybe you encountering an error such as "require ext-curl". You can install it with this command
sudo apt-get install php-curl
# then install it again using "composer require laravel/octane"

# after successfully getting octane package, install it using
php artisan octane:install

# but maybe you need to install swoole first on your machine then do
pecl install swoole

# but maybe you cant install it with pecl, so try 
sudo apt install php-swoole
# then try to install octane again with "php artisan octane:install"

# choose whether you want to install octane with swoole based or roadrunner based https://laravel.com/docs/9.x/octane#installation
# now try to start your octane server
php artisan octane:start