Install Alpine Linux in Virtual Box with docker

[admin]

WHY ALPINE
Alpine is the most light weight Linux under 200 MB size which supports full fledged docker container. Alpine Linux can also be loaded on Raspberry Pi.
Its based on the musl libc library and Busy-box utilities platform.

Procedure to install Alpine Linux in Virtual Box

1. Download suitable version of alpine Linux from its website: https://www.alpinelinux.org/downloads/
2. Create a new machine in virtual box, import downloaded alpine Linux .iso file into booting media in virtual-box.
3. Select to install alpine Linux and follow instruction on GUI.
4. After installation completed open terminal for entering commands to install docker.
5.

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apk update.

6.

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vi /etc/apk/repositories

edit the repositories file and remove # at the beginning of community repositories.
Then add docker and docker composer:

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apk add docker docker-compose

7. Start docker at boot:

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rc-update add docker boot

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service docker start

8. Add user to Docker Group

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addgroup username docker

9. Test Docker ubuntu

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docker pull ubuntu:latest

10. Create docker container myubuntu

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docker create -t -i  --name myubuntu ubuntu:latest

11. Start docker container

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docker start myubuntu

12. Switch and Access the installed Ubuntu Container root user

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docker exec -it myubuntu /bin/bash

13. Exit docker container bash

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exit

14. Stop docker container

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docker stop myubuntu

15. Remove docker container myubuntu:

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docker rm myubuntu

16. Delete all containers:

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docker rm -vf $(docker ps -a -q)

17. Remove all docker images:

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docker rmi -f $(docker images -a -q)

So we learnt how to install docker in alpine Linux. As its lightweight Linux, docker image of different application can be tested without changing the installation. Also removing docker doesn't modify system files.
Alpine Linux doesn't come with GUI. xfce4 can be installed to access through gui.
Thanks
Admin