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Build a Docker Image and push it to Docker Hub

Feb 21, 2021 · 1 min read · Post a comment
Build a Docker Image and push it to Docker Hub

This tutorial is aimed to show you how to build and push an image to the DockerHub repo. Let’s jump on the steps bellow.

Prerequisites

  • Docker installed
  • Docker Hub account

Build and push the image

Step 1. Firstly, you need to login to your Docker Hub account and execute the docker login command:

sudo docker login --username=dockerhubusername --password=dockerhubpassword

Step 2. You can build the image with the docker build command:

sudo docker build -t $DOCKER_ACCOUNT/$DOCKER_REPO:$IMAGE_TAG .
  • $DOCKER_ACCOUNT - Name of your account
  • $DOCKER_REPO - Repo name
  • $IMAGE_TAG - Your tag

Step 3. After building the image the next thing is to push the image to your DockerHub repo and execute the docker push command:

sudo docker push $DOCKER_ACCOUNT/$DOCKER_REPO:$IMAGE_TAG

Conclusion

Knowing how to build and push an image to Docker Hub is a good practice, especially when you are doing an automatic deployment of your app using some of the CI/CD tools. Feel free to leave a comment below and if you find this tutorial useful, follow our official channel on telegram.