How to create Docker Images for Docker Hub

Create a Docker Image

Using Dockerfile to Create an Image

• Create Dockerfile
• Build an image from Dockerfile

docker build -t android-lightweight .

• Run a container based on the image

docker run -it --name android-lightweight-app android-lightweight

Create an image from a container

• Pull a docker image
• Create a container from it
• Modify or make changes (e.g. install new app in that container)
• Use docker commit command

docker commit android-lightweight-app android-lightweight:latest

Publish an image to Docker Hub

• Sign up for Docker Hub
• Create a repository on Docker Hub
• Push image to Docker Hub
  • Log in: 1docker login1
  • Tag an image: 1docker tag android-lightweight:latest simplatex/android-lightweight:latest1
  • Publish the image: docker push simplatex/android-lightweight:latest
• You can pull and test the image:
  • docker pull simplatex/android-lightweight:latest
  • docker run -it simplatex/android-lightweight:latest