Docker/Images

This lesson introduces Docker images.

Objectives and Skills
Objectives and skills for this lesson include:
 * Describe Dockerfile options(add, copy, volumes, expose, entrypoint, etc)
 * Show the main parts of a Dockerfile
 * Give examples on how to create an efficient image via a Dockerfile
 * Use CLI commands such as list, delete, prune, rmi, etc to manage images
 * Inspect images and report specific attributes using filter and format
 * Demonstrate tagging an image
 * Utilize a registry to store an image
 * Display layers of a Docker image
 * Apply a file to create a Docker image
 * Modify an image to a single layer
 * Describe how image layers work
 * Deploy a registry (not architect)
 * Configure a registry
 * Log into a registry
 * Utilize search in a registry
 * Tag an image
 * Push an image to a registry
 * Sign an image in a registry
 * Pull an image from a registry
 * Describe how image deletion works
 * Delete an image from a registry