Docker in action teaches readers how to create deploy and manage applications hosted in docker containers after starting with a clear explanation of the docker model you will learn how to package applications in containers including techniques for testing and distributing applications. Docker in action teaches readers how to create deploy and manage applications hosted in docker containers after starting with a clear explanation of the docker model you will learn how to package applications in containers including techniques for testing and distributing applications you will also learn how to run programs securely and how to manage shared resources. Docker in action teaches readers how to create deploy and manage applications hosted in docker containers about the technology the idea behind docker is simple create a tiny virtual environment called a container that holds just your application and its dependencies. Docker hub from the command line 44 docker hub from the website 46 using alternative registries 48 images as files 48 installing from a dockerfile 50 33 installation files and isolation 51 image layers in action 51 layer relationships 53 container file system abstraction and isolation 53 benefits of