--- title: Docker Basics you need to know... | daily.dev description: Docker is an open-source platform that lets you build, run, and share applications with Containers. The Docker installation package available in the official... canonical: https://daily.dev/posts/docker-basics-you-need-to-know--qpoycnk-t twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Docker Basics you need to know... | daily.dev og:description: Docker is an open-source platform that lets you build, run, and share applications with Containers. The Docker installation package available in the official... og:url: https://daily.dev/posts/docker-basics-you-need-to-know--qpoycnk-t og:image: https://api.daily.dev/og/posts/QpOYCnK_t.png og:image:alt: Docker Basics you need to know... og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Docker Basics you need to know... **[Hashnode](https://daily.dev/sources/hashnode)** · 6 min read · 16 upvotes · 0 comments ## Summary Docker is an open-source platform that lets you build, run, and share applications with Containers. The Docker installation package available in the official Ubuntu repository may not be the latest version. To install Docker from the official Docker repository, we’ll add a new package source, add the GPG key from Docker, and then install the package. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#containers](https://daily.dev/tags/containers), [#docker](https://daily.dev/tags/docker) [View this post on daily.dev](https://daily.dev/posts/docker-basics-you-need-to-know--qpoycnk-t) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Docker Basics you need to know...","url":"https://daily.dev/posts/docker-basics-you-need-to-know--qpoycnk-t","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/docker-basics-you-need-to-know--qpoycnk-t"},"datePublished":"2020-11-24T05:46:36.956Z","dateModified":"2021-10-07T14:17:10.317Z","description":"Docker is an open-source platform that lets you build, run, and share applications with Containers. 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