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Generally, you can also download the files from the operating system’s repository, but this may not have the latest versions hence the need to use the official Docker source whenever possible. You will learn how to install and upgrade the tool from the official Docker repositories. In this guide, we will discuss the installation using the Docker repositories.

Using automated scripts: for development and testing environments.

Manual download, installation, and upgrades: – suitable for offline computers that have no access to internet.

Using the Docker repositories: – Easy to install and upgrade method recommended for most online installations.

Generally, there are three main Docker installation methods, the choice of which depends on the situation and environment, as explained below. In most cases, the steps are similar for a particular OS, but there might be some slight variations across different versions. In this tutorial, you will learn how to install the Docker on the following operating systems.

Typical images include Nginx, MariaDB, WordPress, and others. Consequently, you can run such images on different computer systems as long as Docker is installed.

The technology allows you to install the apps and services on a wide range of computers regardless of the underlying hardware and operating systems. Today, Docker has become a popular tool for deploying and managing applications as containers while overcoming compatibility issues.