{"id":28375,"date":"2018-02-11T13:46:12","date_gmt":"2018-02-11T11:46:12","guid":{"rendered":"https:\/\/mamchenkov.net\/wordpress\/?p=28375"},"modified":"2018-02-11T13:46:12","modified_gmt":"2018-02-11T11:46:12","slug":"slimming-down-docker-images","status":"publish","type":"post","link":"https:\/\/mamchenkov.net\/wordpress\/2018\/02\/11\/slimming-down-docker-images\/","title":{"rendered":"Slimming down Docker images"},"content":{"rendered":"<!-- google_ad_section_start -->\n<p>It&#8217;s been a while since I posted anything about <a href=\"https:\/\/www.docker.com\/\">Docker<\/a>.\u00a0 That&#8217;s mostly because I still don&#8217;t really use it for anything &#8211; playing around locally, testing and learning doesn&#8217;t count yet.<\/p>\n<p>But just to keep the ball rolling, here are a couple of handy links for the ideas on how to improve your Docker images, so that Docker uses much less space, benefits more from caching, and brings up the containers faster:<\/p>\n<ul>\n<li><a href=\"https:\/\/medium.com\/@gabber12\/tips-for-writing-dockerfile-b3e569c3134d\">Fix that Container\u200a\u2014\u200atips on writing dockerfile<\/a><\/li>\n<li><a href=\"https:\/\/blog.codacy.com\/five-ways-to-slim-your-docker-images-5f4bd68d29f1\">Five Ways to Slim Your Docker Images<\/a><\/li>\n<\/ul>\n<p>Both articles are around the same theme &#8211; choose your\u00a0 base image carefully, try to minimize the layers, use only what you need, and don&#8217;t forget to clean up the disk space with &#8220;<em>docker system prune<\/em>&#8220;.<\/p>\n<!-- google_ad_section_end -->\n","protected":false},"excerpt":{"rendered":"<!-- google_ad_section_start -->\n<p>It&#8217;s been a while since I posted anything about Docker.\u00a0 That&#8217;s mostly because I still don&#8217;t really use it for anything &#8211; playing around locally, testing and learning doesn&#8217;t count yet. But just to keep the ball rolling, here are a couple of handy links for the ideas on how to improve your Docker images, &hellip; <a href=\"https:\/\/mamchenkov.net\/wordpress\/2018\/02\/11\/slimming-down-docker-images\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Slimming down Docker images<\/span><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Slimming down Docker images #WebDev #DevOps #SysAdmin #Docker #containers #virtualization","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[1,6,18,133,62,1334],"tags":[3069,3421,3420,1057,3104,1330],"keyring_services":[],"class_list":["post-28375","post","type-post","status-publish","format-standard","hentry","category-general","category-linux","category-programming","category-sysadmin","category-technology","category-web-work","tag-best-practices","tag-containers","tag-docker","tag-performance","tag-virtualization","tag-web-development"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"It&#039;s been a while since I posted anything about Docker. 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That's mostly because I still don't really use it for anything - playing around locally, testing and learning doesn't count yet. 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We developed Pipelines to enable teams to test and deploy software faster, using Docker containers to manage their build environment. Now we\u2019re adding advanced Docker support \u2013 building\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2017\/04\/service-containers-pipelines-500x262.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":36740,"url":"https:\/\/mamchenkov.net\/wordpress\/2019\/03\/02\/learn-enough-docker-to-be-useful\/","url_meta":{"origin":28375,"position":1},"title":"Learn Enough Docker to be Useful","author":"Leonid Mamchenkov","date":"March 2, 2019","format":false,"excerpt":"\"Learn Enough Docker to be Useful\" is a series of articles (so far 6) that explains different parts of Docker in a very simple and straightforward way. Here are the parts so far: Docker conceptsDocker ecosystemDockerfileSlimming down Docker imagesDocker commandsDocker data","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/03\/docker.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/03\/docker.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/03\/docker.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/03\/docker.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":27262,"url":"https:\/\/mamchenkov.net\/wordpress\/2017\/01\/20\/10-things-to-avoid-in-docker-containers\/","url_meta":{"origin":28375,"position":2},"title":"10 things to avoid in Docker containers","author":"Leonid Mamchenkov","date":"January 20, 2017","format":false,"excerpt":"10 things to avoid in Docker containers provides a handy reminder of what NOT to do when building Docker containers. \u00a0Read the full article for details and explanations. \u00a0For a brief summary, here are the 10 things: Don\u2019t store data in containers Don\u2019t ship your application in two pieces Don\u2019t\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":27515,"url":"https:\/\/mamchenkov.net\/wordpress\/2017\/04\/10\/docker-image-vulnerability-research\/","url_meta":{"origin":28375,"position":3},"title":"Docker Image Vulnerability Research","author":"Leonid Mamchenkov","date":"April 10, 2017","format":false,"excerpt":"Federacy has an interesting research in Docker image vulnerabilities. \u00a0The bottom line is: 24% of latest Docker images have significant vulnerabilities This can and should be improved, especially given the whole hierarchical structure of Docker images. \u00a0It's not like improving security of all those random GitHub repositories.","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2017\/04\/images_vulnerable_by_distribution-500x297.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":42771,"url":"https:\/\/mamchenkov.net\/wordpress\/2019\/07\/03\/lazydocker-a-simple-terminal-ui-for-both-docker-and-docker-compose\/","url_meta":{"origin":28375,"position":4},"title":"Lazydocker &#8211; a simple terminal UI for both docker and docker-compose","author":"Leonid Mamchenkov","date":"July 3, 2019","format":false,"excerpt":"Lazydocker is a simple terminal UI for easier management of Docker. This is particularly useful for new Docker users, but can as well save plenty of keystrokes to the seasoned administrators.","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/07\/lazydocker.gif?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/07\/lazydocker.gif?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/07\/lazydocker.gif?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/07\/lazydocker.gif?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/07\/lazydocker.gif?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2019\/07\/lazydocker.gif?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":46046,"url":"https:\/\/mamchenkov.net\/wordpress\/2020\/01\/30\/dive-docker-image-explorer\/","url_meta":{"origin":28375,"position":5},"title":"dive &#8211; Docker image explorer","author":"Leonid Mamchenkov","date":"January 30, 2020","format":false,"excerpt":"dive is a Docker image explorer. This is a very handy tool when you are trying to figure out how a Docker image was built and what's in it, and you don't have the original Dockerfile. It uses the meta information for each layer to show you which command was\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/01\/dive.gif?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/01\/dive.gif?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/01\/dive.gif?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/01\/dive.gif?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/01\/dive.gif?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/01\/dive.gif?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/28375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/comments?post=28375"}],"version-history":[{"count":0,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/28375\/revisions"}],"wp:attachment":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/media?parent=28375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/categories?post=28375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/tags?post=28375"},{"taxonomy":"keyring_services","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/keyring_services?post=28375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}