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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.

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Apr 03, 2019

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Table of Contents

  1. Challenge

    Log in to Docker Hub

    Login to Docker Hub:

    [cloud_user@host]$ docker login
  2. Challenge

    Get the Git Commit Hash

    Use Git commit hash as the image tag:

    cd weather-app
    cd src
    git log -1 --pretty=%H
  3. 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 .
  4. 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
  5. 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

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