--- title: 100+ Docker Concepts you Need to Know | daily.dev description: The post discusses the concept of containerization, how Docker works, and how to build an image in Docker. canonical: https://daily.dev/posts/100-docker-concepts-you-need-to-know-ggvonrl5d twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: 100+ Docker Concepts you Need to Know | daily.dev og:description: The post discusses the concept of containerization, how Docker works, and how to build an image in Docker. og:url: https://daily.dev/posts/100-docker-concepts-you-need-to-know-ggvonrl5d og:image: https://api.daily.dev/og/posts/ggVOnrl5d.png og:image:alt: 100+ Docker Concepts 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. # 100+ Docker Concepts you Need to Know **[Fireship](https://daily.dev/sources/fireship)** · 8 min read · 432 upvotes · 12 comments ## Summary The post discusses the concept of containerization, how Docker works, and how to build an image in Docker. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@erikpillon** · 3 upvotes > Fireship never disappoints! Another amazing video <3 **@gh0r1** · 2 upvotes > So Amazing! **@dwijmistry** · 2 upvotes > perfect **@crazyloon** · 2 upvotes > Employers were very impressed by my Fireship Docker Tutorial certificate **@brunocardoso** · 1 upvotes > thanks for sharing!! ## 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: [#cloud](https://daily.dev/tags/cloud), [#kubernetes](https://daily.dev/tags/kubernetes), [#docker](https://daily.dev/tags/docker), [#containers](https://daily.dev/tags/containers) [View this post on daily.dev](https://daily.dev/posts/100-docker-concepts-you-need-to-know-ggvonrl5d) ```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":"100+ Docker Concepts you Need to Know","url":"https://daily.dev/posts/100-docker-concepts-you-need-to-know-ggvonrl5d","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/100-docker-concepts-you-need-to-know-ggvonrl5d"},"datePublished":"2024-03-12T17:41:57.805Z","dateModified":"2024-03-12T17:41:56.332Z","description":"The post discusses the concept of containerization, how Docker works, and how to build an image in Docker.","image":"https://i.ytimg.com/vi/rIrNIzy6U_g/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/rIrNIzy6U_g/sddefault.jpg","isAccessibleForFree":true,"articleSection":"Fireship","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Fireship","logo":"https://media.daily.dev/image/upload/s--75ndqrkr--/f_auto,t_logo/v1702882094/logos/fireship.jpg","url":"https://daily.dev/sources/fireship"},"commentCount":12,"discussionUrl":"https://daily.dev/posts/100-docker-concepts-you-need-to-know-ggvonrl5d","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":432},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":12}],"keywords":"cloud,kubernetes,docker,containers","timeRequired":"PT8M","video":{"@type":"VideoObject","name":"100+ Docker Concepts you Need to Know","description":"The post discusses the concept of containerization, how Docker works, and how to build an image in Docker.","thumbnailUrl":"https://i.ytimg.com/vi/rIrNIzy6U_g/sddefault.jpg","uploadDate":"2024-03-12T17:41:57.805Z","duration":"PT8M","url":"https://api.daily.dev/r/ggVOnrl5d","embedUrl":"https://www.youtube.com/embed/rIrNIzy6U_g"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Fireship","item":"https://daily.dev/sources/fireship"},{"@type":"ListItem","position":3,"name":"100+ Docker Concepts you Need to Know"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/100-docker-concepts-you-need-to-know-ggvonrl5d","comment":[{"@type":"Comment","text":"Fireship never disappoints! Another amazing video <3","datePublished":"2024-03-13T08:22:43.861Z","url":"https://daily.dev/posts/ggVOnrl5d#c-fA7tjb89L","author":{"@type":"Person","name":"ErikPillon","url":"https://daily.dev/erikpillon","image":"https://lh3.googleusercontent.com/a/ACg8ocLWO8dp0oVIUTEvKyuZDm5ctSGgiOTfTIzA7eVj4Q8aAk4=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"So Amazing!","datePublished":"2024-03-13T03:23:45.268Z","url":"https://daily.dev/posts/ggVOnrl5d#c-ZrqfvQOTF","author":{"@type":"Person","name":"aghorih00n","url":"https://daily.dev/gh0r1","image":"https://media.daily.dev/image/upload/s--O0TOmw4y--/f_auto/v1715772965/public/noProfile"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"perfect","datePublished":"2024-03-13T05:44:44.155Z","url":"https://daily.dev/posts/ggVOnrl5d#c-y2Ay9bMSZ","author":{"@type":"Person","name":"Dwij Mistry","url":"https://daily.dev/dwijmistry","image":"https://avatars.githubusercontent.com/u/49182142?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"Employers were very impressed by my Fireship Docker Tutorial certificate","datePublished":"2024-03-14T01:05:58.771Z","url":"https://daily.dev/posts/ggVOnrl5d#c-tTQZhIErI","author":{"@type":"Person","name":"Russell Dow","url":"https://daily.dev/crazyloon","image":"https://avatars.githubusercontent.com/u/8146917?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"thanks for sharing!!","datePublished":"2024-03-13T11:02:57.460Z","url":"https://daily.dev/posts/ggVOnrl5d#c-kABlofLSf","author":{"@type":"Person","name":"Bruno Cardoso","url":"https://daily.dev/brunocardoso","image":"https://lh3.googleusercontent.com/a/AItbvmmXVyn0jQFfFfVOvgP_Ru5zlzPjSWmChUDuiADo=s100"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```