- Lab
- A Cloud Guru
Tagging and Pushing Images to DockerHub
You have just completed building a Dockerfile, and you are ready to push it to Docker Hub. First make sure that you have a Docker Hub account. Then build your image with the `VERSION` build argument that is set to `1.5`. Finally, tag the image to `latest`, and push both images to Docker Hub.
Path Info
Table of Contents
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Challenge
Log in to Docker Hub
Login to Docker Hub:
[cloud_user@host]$ docker login -
Challenge
Get the Git Commit Hash
Use Git commit hash as the image tag:
cd weather-app cd src git log -1 --pretty=%H -
Challenge
Build the `weather-app` Image
Build the image:
cd ../ [cloud_user@host]$ docker image build -t [USERNAME]/weather-app:[HASH] --build-arg VERSION=1.5 . -
Challenge
Tag the `weather-app` as Latest
Tag the image to latest:
[cloud_user@host]$ docker image tag [USERNAME]/weather-app:[HASH] [USERNAME]/weather-app:latest -
Challenge
Push Both Images to Docker Hub
Push both images to Docker Hub:
docker image push [USERNAME]/weather-app:[HASH] docker image push [USERNAME]/weather-app:latest
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.
