{"id":6897,"date":"2026-03-10T19:10:24","date_gmt":"2026-03-10T18:10:24","guid":{"rendered":"https:\/\/workboot.fr\/ciela\/?page_id=6897"},"modified":"2026-03-19T13:57:13","modified_gmt":"2026-03-19T12:57:13","slug":"conteneur-ou-docker","status":"publish","type":"page","link":"https:\/\/workboot.fr\/ciela\/conteneur-ou-docker\/","title":{"rendered":"Conteneur Docker"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u00ab\u00a0Et si on pouvait empaqueter une application avec tout son environnement (OS, librairies, config) dans un petit conteneur l\u00e9ger, pr\u00eat \u00e0 \u00eatre exp\u00e9di\u00e9 et ex\u00e9cut\u00e9 n&rsquo;importe o\u00f9, en quelques secondes ? C&rsquo;est exactement ce que fait Docker.\u00a0\u00bb<br><\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker_cheatsheet.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 docker_cheatsheet.\"><\/object><a id=\"wp-block-file--media-bece789f-bf27-402b-b85a-0eae85bdc18c\" href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker_cheatsheet.pdf\">docker_cheatsheet<\/a><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker_cheatsheet.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-bece789f-bf27-402b-b85a-0eae85bdc18c\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conteneur VS VM<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>D\u00e9finition d&rsquo;un conteneur Linux<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un&nbsp;<strong>conteneur Linux<\/strong>&nbsp;est une&nbsp;<strong>unit\u00e9 standardis\u00e9e et isol\u00e9e<\/strong>&nbsp;qui empaquette une application avec toutes ses d\u00e9pendances (biblioth\u00e8ques, binaires, fichiers de configuration) pour l&rsquo;ex\u00e9cuter de mani\u00e8re&nbsp;<strong>reproductible<\/strong>&nbsp;sur n&rsquo;importe quel syst\u00e8me h\u00f4te Linux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Caract\u00e9ristiques techniques :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Il partage le&nbsp;<strong>noyau<\/strong>&nbsp;du syst\u00e8me h\u00f4te<\/li>\n\n\n\n<li>Il utilise des fonctionnalisons natives du noyau Linux :\n<ul class=\"wp-block-list\">\n<li><strong>Namespaces<\/strong>&nbsp;: pour l&rsquo;isolation des ressources (PID, r\u00e9seau, montage, utilisateurs&#8230;)<\/li>\n\n\n\n<li><strong>Cgroups<\/strong>&nbsp;: pour la limitation des ressources (CPU, m\u00e9moire, disque)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Il appara\u00eet comme un processus isol\u00e9 sur la machine h\u00f4te<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Conteneur<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Machine Virtuelle<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Partage le noyau de l&rsquo;h\u00f4te<\/td><td>Chaque VM a son propre noyau (guest OS)<\/td><\/tr><tr><td>Isolation au niveau processus<\/td><td>Isolation mat\u00e9rielle (hyperviseur)<\/td><\/tr><tr><td>Pas de syst\u00e8me d&rsquo;exploitation invit\u00e9<\/td><td>OS invit\u00e9 complet<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker-scaled.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"296\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker-1024x296.png\" alt=\"\" class=\"wp-image-7004\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker-1024x296.png 1024w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker-300x87.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker-768x222.png 768w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker-1536x444.png 1536w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/docker-2048x592.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Tableau comparatif<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Crit\u00e8re<\/th><th class=\"has-text-align-left\" data-align=\"left\">Conteneur<\/th><th class=\"has-text-align-left\" data-align=\"left\">Machine Virtuelle<\/th><\/tr><\/thead><tbody><tr><td><strong>Taille<\/strong><\/td><td>M\u00e9gaoctets (Mo)<\/td><td>Gigaoctets (Go)<\/td><\/tr><tr><td><strong>D\u00e9marrage<\/strong><\/td><td>Millisecondes<\/td><td>Minutes<\/td><\/tr><tr><td><strong>Consommation m\u00e9moire<\/strong><\/td><td>Faible<\/td><td>\u00c9lev\u00e9e<\/td><\/tr><tr><td><strong>Isolation<\/strong><\/td><td>L\u00e9g\u00e8re (processus)<\/td><td>Forte (mat\u00e9rielle)<\/td><\/tr><tr><td><strong>Portabilit\u00e9<\/strong><\/td><td>Excellente (m\u00eame noyau)<\/td><td>Bonne (hyperviseur)<\/td><\/tr><tr><td><strong>S\u00e9curit\u00e9<\/strong><\/td><td>Moins isol\u00e9e<\/td><td>Plus isol\u00e9e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udca1 Analogie p\u00e9dagogique<\/strong>\u00a0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><em>Les conteneurs sont comme des appartements dans un immeuble (ils partagent les fondations\/le noyau), tandis que les machines virtuelles sont comme des maisons individuelles avec leurs propres fondations<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><em>.<\/em>\ud83d\udcca Comparaison des architectures  (Linux, windows, et mac os !)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Syst\u00e8me<\/th><th class=\"has-text-align-left\" data-align=\"left\">Architecture Docker<\/th><th class=\"has-text-align-left\" data-align=\"left\">Performance<\/th><\/tr><\/thead><tbody><tr><td><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Ubuntu (vous)<\/mark><\/strong><\/td><td>Docker natif Linux<\/td><td>\u2b50\u2b50\u2b50 Excellente<\/td><\/tr><tr><td>Windows + WSL2<\/td><td>Docker dans WSL2<\/td><td>\u2b50\u2b50 Bonne<\/td><\/tr><tr><td>Windows (sans WSL2)<\/td><td>VM Linux + Docker<\/td><td>\u2b50 Moyenne<\/td><\/tr><tr><td>macOS<\/td><td>VM Linux + Docker<\/td><td>\u2b50 Moyenne<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00ab\u00a0Et si on pouvait empaqueter une application avec tout son environnement (OS, librairies, config) dans un petit conteneur l\u00e9ger, pr\u00eat \u00e0 \u00eatre exp\u00e9di\u00e9 et ex\u00e9cut\u00e9 n&rsquo;importe o\u00f9, en quelques secondes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-6897","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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