The slides of the workshop are reported here
You can install the Apigility workshop using composer:
php composer.phar install
To enable the Apigility UI you need to execute the following command:
php public/index.php development enable
You can finally execute the Apigility UI running this command:
php -S 0.0.0.0:8888 -t public public/index.php
Open your browser at http://localhost:8888 and start to use Apigility!
The first exercise of the workshop is reported here.