- Lab
- A Cloud Guru
Customizing and Launching an Existing Container Image
In this hands-on lab scenario, you will be searching an image registries, pulling images, modifying containers, saving modified containers, and publishing a container image. Upon completion of this lab, you will have the knowledge and skills required to locate images, modify containers, and publish a new image to a registry.
Path Info
Table of Contents
-
Challenge
Locate an Image and Run a Container
- Log in to
server-1
with thecloud_user
account. - Find the
nginx
image and tag hosted on the private registryserver-1:5000
. Search is disabled, and the registry requires authentication. - Pull the
nginx
image from registryserver-1:5000
. - Start a container using the
nginx
image. Name the containerweb-dev
, and map host port8081
to container port80
.
- Log in to
-
Challenge
Modify a Container and Push a New Image
- Copy the contents of the tar archive
/home/cloud_user/llama_cart.tar
toweb-dev:/usr/share/nginx/html/
. - Commit the container
web-dev
to a new image namedweb-dev
with a tag ofv1
. - Tag
web-dev:v1
asserver-1:5000/llama-racing:v1
. - Push the new image to the registry on
server-1:5000
.
- Copy the contents of the tar archive
-
Challenge
Start a Container and Verify Changes
- Start a new container using the
server-1:5000/llama-racing:v1
image. Name the new containerllama-racing-web
, and map host port8080
to host port8081
. - Verify the containers and images by starting the container named
checker
. Use the-i
option when starting the container. - Use a web browser to check the web page using the public IP address for
server-1
and port8080
.
- Start a new container using the
What's a lab?
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
Provided environment for hands-on practice
We will provide the credentials and environment necessary for you to practice right within your browser.
Guided walkthrough
Follow along with the author’s guided walkthrough and build something new in your provided environment!
Did you know?
On average, you retain 75% more of your learning if you get time for practice.