The Complete Guide to Rails Testing
What are the different kinds of Rails tests? Which testing framework should you learn, RSpec or Minitest? What level of testing coverage should you shoot for?
This book + course covers these questions and more. Also covers Factory Bot, RSpec syntax, system specs, model specs and request specs.
Docker for Beginners
What is Docker? What problem does it solve? What the difference between an image and a container? What’s the difference between Docker and Docker Compose?
Docker for Beginners covers all these questions in clear, understandable language.