Docker Installation

Docker Desktop

Docker Machine used Oracle's VirtualBox to create a small Linux-based virtual machine whose only purpose was to run the Docker engine.
Once created, users needed to run a small shell script to connect their Docker CLI with the virtual machine.

1. https://docs.docker.io
   
2. Install on Windows or Mac:
   - https://www.docker.com
   - in PowerShell
   - docker os
   - docker run hello-world
   
3. Install on Linux
   - sudo apt install curl
   - curl -o /tmp/get-docker.sh https://get.docker.com
   - sh /tmp/get-docker.sh
   - sudo docker run hello-world
   - sudo usermod -aG docker $USER => add to the group list
   - sudo -s $USER
   - sudo -u usename sh
   - grups => see the group list