On January 23rd I released my third book, Docker for PHP Developers, that teaches PHP developers how to use Docker as a development environment.

Within the first three days I sold 233 copies and 284 copies in the first week, my best release so far!

The Docker for PHP Developers book is available right now! The launch price for the next three days is 25% off! ��������https://t.co/zJKLWPMDds

— Paul Redmond ���� (@paulredmond) January 23, 2018

I approached this course differently than my f...