{"id":4832,"date":"2024-08-28T09:32:34","date_gmt":"2024-08-28T09:32:34","guid":{"rendered":"https:\/\/netguide.io\/linux\/docker-compose-refers-to-undefined-volume-loesung\/"},"modified":"2026-08-10T15:49:04","modified_gmt":"2026-08-10T15:49:04","slug":"docker-compose-refers-to-undefined-volume-loesung","status":"publish","type":"post","link":"https:\/\/netguide.io\/linux\/de\/docker-compose-refers-to-undefined-volume-loesung\/","title":{"rendered":"Docker-Compose: \u201eservice refers to undefined volume\u201c \u2013 L\u00f6sung"},"content":{"rendered":"<script type=\"text\/plain\" data-tcf=\"waiting-for-consent\" data-id=\"4797\" data-bid=\"2\" data-placement=\"4798\">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<\/script>\n<p class=\"wp-block-paragraph\">Beim Start eines Docker-Compose-Stacks \u2013 direkt per CLI oder \u00fcber Portainer \u2013 bricht das Deployment manchmal mit dieser Fehlermeldung ab:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#e1e4e8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>curl -sfL https:\/\/get.k3s.io | INSTALL_K3S_EXEC=\"--disable traefik --disable servicelb\" K3S_KUBECONFIG_MODE=\"644\" sh -s -\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">Failed to deploy a stack: service &quot;docker&quot; refers to undefined<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">volume mnt\/docker: invalid compose project<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Die Ursache ist fast immer dieselbe: Ein Service nutzt unter <code>volumes:<\/code> einen <strong>benannten Volume<\/strong>, der nicht im <strong>Top-Level-<code>volumes:<\/code>-Block<\/strong> deklariert ist. Docker Compose kennt den Namen dann nicht und bricht ab. Dieser Guide zeigt drei saubere L\u00f6sungen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ursache: benannter Volume vs. Bind-Mount<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In Compose gibt es zwei Arten, Speicher einzubinden: <strong>Bind-Mounts<\/strong> (ein Host-Pfad, beginnt mit <code>\/<\/code> oder <code>.\/<\/code>) und <strong>benannte Volumes<\/strong> (ein Name ohne Pfad, z.&nbsp;B. <code>dbdata<\/code>). Ein benannter Volume <em>muss<\/em> zus\u00e4tzlich im Top-Level-<code>volumes:<\/code>-Block stehen \u2013 sonst ist er \u201eundefined&#8221;.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00f6sung 1: Benannten Volume deklarieren<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fehlerhaft \u2013 der Volume <code>dbdata<\/code> wird genutzt, aber nie deklariert:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#e1e4e8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>curl -sfL https:\/\/get.k3s.io | INSTALL_K3S_EXEC=\"--disable traefik --disable servicelb\" K3S_KUBECONFIG_MODE=\"644\" sh -s -\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">services:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">  db:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    image: postgres:16<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    volumes:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">      - dbdata:\/var\/lib\/postgresql\/data   # benannter Volume<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\"># es fehlt der Top-Level volumes-Block!<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Korrekt \u2013 der Volume ist unten deklariert:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#e1e4e8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>curl -sfL https:\/\/get.k3s.io | INSTALL_K3S_EXEC=\"--disable traefik --disable servicelb\" K3S_KUBECONFIG_MODE=\"644\" sh -s -\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">services:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">  db:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    image: postgres:16<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    volumes:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">      - dbdata:\/var\/lib\/postgresql\/data<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">volumes:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">  dbdata:<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00f6sung 2: Bind-Mount statt benanntem Volume<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Willst du die Daten stattdessen in einem festen Host-Verzeichnis ablegen, nutze einen <strong>absoluten Pfad<\/strong>. Dann ist kein Top-Level-<code>volumes:<\/code>-Eintrag n\u00f6tig:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#e1e4e8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>curl -sfL https:\/\/get.k3s.io | INSTALL_K3S_EXEC=\"--disable traefik --disable servicelb\" K3S_KUBECONFIG_MODE=\"644\" sh -s -\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">services:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">  db:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    image: postgres:16<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    volumes:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">      - \/mnt\/user\/appdata\/db:\/var\/lib\/postgresql\/data<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Genau hier entsteht der Fehler oft: <code>mnt\/docker<\/code> (ohne f\u00fchrenden <code>\/<\/code>) wird als <em>benannter<\/em> Volume interpretiert statt als Pfad. Schreibe den Pfad absolut mit f\u00fchrendem Slash: <code>\/mnt\/docker<\/code>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00f6sung 3: In Portainer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In Portainer tritt der Fehler beim Deploy eines Stacks auf. Pr\u00fcfe im Stack-Editor dieselben Punkte: entweder den benannten Volume im Top-Level-<code>volumes:<\/code>-Block erg\u00e4nzen oder auf einen absoluten Bind-Mount-Pfad umstellen. Danach den Stack erneut deployen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u00fcfen &amp; weiterf\u00fchrende Anleitungen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nach der Korrektur validierst du die Datei mit <code>docker compose config<\/code> \u2013 das meldet undefinierte Volumes sofort. Grundlagen und weitere Stolperfallen findest du hier:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/netguide.io\/linux\/de\/was-ist-docker\/\">Was ist Docker? Container einfach erkl\u00e4rt<\/a> \u2013 inkl. Docker-Compose-Grundlagen<\/li><li><a href=\"https:\/\/netguide.io\/linux\/de\/die-10-haeufigsten-docker-fehler-mit-loesungen\/\">Die 10 h\u00e4ufigsten Docker-Fehler \u2013 Ursachen und L\u00f6sungen<\/a><\/li><li><a href=\"https:\/\/netguide.io\/linux\/de\/netbird-mit-zitadel-installieren-docker-compose\/\">Netbird mit Zitadel installieren (Docker Compose)<\/a> \u2013 vollst\u00e4ndiges Compose-Beispiel<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Fazit<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eRefers to undefined volume&#8221; bedeutet fast immer: benannter Volume nicht deklariert oder ein Pfad ohne f\u00fchrenden Slash. Einmal den Top-Level-<code>volumes:<\/code>-Block erg\u00e4nzt oder den Bind-Mount korrigiert \u2013 und der Stack startet.<\/p>\n\n<script type=\"text\/plain\" data-tcf=\"waiting-for-consent\" data-id=\"4799\" data-bid=\"2\" 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korrigieren.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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