Docker: The complete guide to the most widely used virtualization technology. Create containers and deploy them to production safely and securely.

This is the best book to learn Docker from zero.
Docker is the virtualization architecture from the future

With Docker by Jordan Lioy you will learn...
- The basics - the theory behind Docker
- Extensive coverage of Docker architecture
- Deep dive into core concepts such as images and containers
- How Docker can organize your projects
- Networking, volumes, and security
- Docker Certified Associate (DCA) coverage

And much, much more, with a lot of examples to help you understand and implement every solution.