Installing and Setting up Docker on Different Platforms

Docker is an open-source platform that allows you to automate the deployment, scaling, and management of applications using containerization. With Docker, you can create lightweight, portable, and isolated environments called containers. In this article, we will guide you through the process of installing and setting up Docker on different platforms.

Prerequisites

Before we proceed with the installation, make sure you have the following prerequisites:

• An account with administrative access (if required)
• Internet connectivity
• Hardware requirements met (check Docker's documentation for specific platform requirements)

1. Installing Docker on Linux

Ubuntu

1. Update the package index: $ sudo apt update

2. Install the necessary packages to allow apt to use a repository over HTTPS: $ sudo apt install apt-transport-https ca-certificates curl software-properties-common

3. Add the Docker GPG key: $ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

4. Add the Docker repository: $ echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

5. Update the package index again: $ sudo apt update

6. Install Docker: $ sudo apt install docker-ce docker-ce-cli containerd.io

7. Verify that Docker is installed and running correctly: $ sudo docker run hello-world

Other Linux Distributions

Refer to the official Docker documentation for installation instructions specific to your Linux distribution.

2. Installing Docker on Windows

Windows 10 Pro/Enterprise/Education

1. Download Docker Desktop from the official Docker website.
2. Run the installer and follow the on-screen instructions.
3. After installation, Docker Desktop should start automatically.
4. Verify that Docker is installed and running by opening a command prompt and running: > docker run hello-world

Note: If your Windows version does not support Docker Desktop, you can install Docker Toolbox, which provides a Docker command-line environment.

3. Installing Docker on macOS

1. Download Docker Desktop from the official Docker website.
2. Double-click the downloaded .dmg file to open the installer.
3. Drag and drop the Docker.app icon to the Applications folder.
4. Open Docker.app from the Applications folder to start Docker Desktop.
5. Verify Docker installation by opening a terminal and running: $ docker run hello-world

Conclusion

In this article, we have covered the installation and setup process for Docker on different platforms including Linux, Windows, and macOS. Now that Docker is up and running on your system, you can begin working with containers and take advantage of Docker's powerful features for developing and deploying applications. Remember to consult Docker's official documentation for more details and advanced usage. Happy containerizing!