Environment file is shared. The code from book is not shared as its more of a code-along book. Sharing code means creating a copy of book.

You can buy the book via these links:

USA: https://www.amazon.com/dp/8269211508

UK: https://www.amazon.co.uk/dp/8269211508

Germany: https://www.amazon.de/dp/8269211508

France: https://www.amazon.fr/dp/8269211508

Spain: https://www.amazon.es/dp/8269211508

Italy: https://www.amazon.it/dp/8269211508

Japan: https://www.amazon.co.jp/dp/8269211508

Canada: https://www.amazon.ca/dp/8269211508