Description
In this module all about creating container images with Dockerfiles you will learn how to:
Create images via several methods
Describe the filesystem structure underlying an image
Understand the performance implications of different image design decisions
Correctly tag and namespace images for distribution on a registry
Topics
Describe the filesystem structure underlying an image
Create images via several methods
Identify core Dockerfile commands
Lab Topics
Interactive Image Creation:
Create a container image from a running Docker container.
Inspect filesystem changes in a container image.
Creating Images with Dockerfiles:
Write a Dockerfile using the FROM and RUN commands
Build an image from a Dockerfile
Anticipate which image layers will be fetched from the cache at build time
Fetch build history for an image
Define a default process for an image to containerize by using the ENTRYPOINT or CMD Dockerfile commands
Understand the differences and interactions between ENTRYPOINT and CMD
Ensure that a containerized process doesn't run as root by default.
