Installing Docker on Ubuntu/Debian #

1. Update the apt package index:

   sudo apt-get update
   

2. Install packages to allow apt to use a repository over HTTPS:

   sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
   

3. Add Docker’s official GPG key:

   curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
   

4. Set up the stable Docker repository:

   sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
   

5. Update the apt package index:

   sudo apt-get update
   

6. Install Docker:

   sudo apt-get install docker-ce docker-ce-cli containerd.io
   

Installing Docker on Centos #

1. Uninstall old versions:

   sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine
   

2. Install required packages:

   sudo yum install -y yum-utils device-mapper-persistent-data lvm2
   

3. Set up the stable Docker repository:

   sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
   

4. Install Docker:

   sudo yum install docker-ce docker-ce-cli containerd.io
   

5. Start Docker:

   sudo systemctl start docker
   

Installing Docker on Windows #

1. Download the Docker Desktop installer:

   https://hub.docker.com/editions/community/docker-ce-desktop-windows/
   

2. Double-click Docker Desktop Installer.exe to run the installer.

3. Follow the installer prompts to accept the default configuration.

4. Docker Desktop starts automatically after installation.

Installing Docker on MacOS #

1. Download the Docker Desktop installer:

   https://hub.docker.com/editions/community/docker-ce-desktop-mac/
   

2. Double-click Docker.dmg to open the installer, then drag Moby the whale to the Applications folder.

3. Double-click Docker.app in the Applications folder to start Docker Desktop.

4. Docker Desktop starts automatically after installation.