unlimited* amount of containers • Contains the config/source**/applications/libs needed for the application • Can be exported to be imported by other docker machines • Can be configured to work with Kubernetes/Openstack • Saved state of the application • Versions can be tagged to create containers based on old versions of the application * Based on system resources ** When configured to be production image
Very easy syntax • Basically is a shell script • Show the configuration and layers of an image • The basics of Docker • Has the startup command for an image • Does not always need to a startup command if one will be given at container creation time or parent image has a startup command