Docker has become a cornerstone technology for developers and system administrators looking to build, deploy, and run<\/a><\/span>\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> applications in containers. This article provides a comprehensive guide on installing Docker across different operating systems, including Windows, macOS, and various distributions of Linux. By the end of this article, you will have a clear understanding of the prerequisites, installation steps, and post-installation configurations necessary for leveraging Docker effectively.<\/p>\n Docker is an open-source platform that uses OS-level virtualization to deliver software in packages called containers. Containers are lightweight, portable, and can run<\/a><\/span>\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> virtually anywhere, making them ideal for microservices architecture, continuous integration, and deployment workflows. The main components of Docker include:<\/p>\n Before diving into the installation process, it is essential to ensure that your system meets certain prerequisites:<\/p>\n For Windows 10 Home users, Docker Desktop<\/a><\/span>Docker Desktop is a comprehensive development environment for building, testing, and deploying containerized applications. It integrates Docker Engine, Docker CLI, and Kubernetes, enhancing workflow efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> relies on Windows Subsystem for Linux (WSL) 2. Here\u2019s how to enable it:<\/p>\n Docker can be installed on various Linux distributions. This section will cover the installation for Ubuntu, CentOS, and Fedora.<\/p>\n To test Docker, run<\/a><\/span>\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/p>\nWhat is Docker?<\/h2>\n
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Prerequisites for Installing Docker<\/h2>\n
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Installing Docker on Windows<\/h2>\n
Step 1: Enable WSL 2<\/h3>\n
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wsl --install<\/code><\/pre>\n<\/li>\nStep 2: Install Docker Desktop<\/h3>\n
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Step 3: Verify Docker Installation<\/h3>\n
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docker --version<\/code><\/pre>\n<\/li>\ndocker run<\/a><\/span>\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> hello-world<\/code><\/pre>\n<\/li>\n<\/ol>\nInstalling Docker on macOS<\/h2>\n
Step 1: Download Docker Desktop<\/h3>\n
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Step 2: Install Docker Desktop<\/h3>\n
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.dmg<\/code> file and drag the Docker icon to the Applications folder.<\/li>\nStep 3: Verify Docker Installation<\/h3>\n
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docker --version<\/code><\/pre>\n<\/li>\ndocker run<\/a><\/span>\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> hello-world<\/code><\/pre>\n<\/li>\n<\/ol>\nInstalling Docker on Linux<\/h2>\n
Installing Docker on Ubuntu<\/h3>\n
Step 1: Update Package Index<\/h4>\n
sudo apt-get update<\/code><\/pre>\nStep 2: Install Required Packages<\/h4>\n
sudo apt-get install apt-transport-https ca-certificates curl software-properties-common<\/code><\/pre>\nStep 3: Add Docker\u2019s Official GPG Key<\/h4>\n
curl -fsSL https:\/\/download.docker.com\/linux\/ubuntu\/gpg | sudo apt-key add<\/a><\/span>The ADD instruction in Docker is a command used in Dockerfiles to copy files and directories from a host machine into a Docker image during the build process. It not only facilitates the transfer of local files but also provides additional functionality, such as automatically extracting compressed files and fetching remote files via HTTP or HTTPS. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> -<\/code><\/pre>\nStep 4: Set Up the Stable Repository<\/h4>\n
sudo add-apt-repository \"deb [arch=amd64] https:\/\/download.docker.com\/linux\/ubuntu $(lsb_release -cs) stable\"<\/code><\/pre>\nStep 5: Update Package Index Again<\/h4>\n
sudo apt-get update<\/code><\/pre>\nStep 6: Install Docker CE<\/h4>\n
sudo apt-get install docker-ce<\/code><\/pre>\nStep 7: Verify Docker Installation<\/h4>\n
sudo systemctl status docker<\/code><\/pre>\nsudo docker run<\/a><\/span>