[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"problem-detail-error-image-tinybirdco-tinybird-local-latest-pulling":3},{"stack":4,"error":5,"seoName":6,"seoStack":7,"seo":8,"breadcrumb":10,"titlePrefix":17,"titleAccent":18,"lead":19,"facts":22,"why":37,"log":47,"fix":70,"engine":91,"related":102,"pitch":109},"dockerfile","image-tinybirdco-tinybird-local-latest-pulling","Dockerfile build fails because the admin artifact is missing","Dockerfile",{"description":9},"Learn what causes Dockerfile build fails because the admin artifact is missing, how PanelAlpha Engine responds to it during deployment.",[11,14,16],{"label":12,"href":13},"App Installations","\u002Fapps",{"label":7,"href":15},"\u002Fapps\u002Fstacks\u002Fdockerfile",{"label":6},"Dockerfile build fails because ","the admin artifact is missing",[20],{"text":21},"Error recorded 1 times in PanelAlpha Engine deploys on Dockerfile. The deploy log below is the recorded failure output.",[23,28,31,33],{"label":24,"value":25,"tone":26,"tooltip":27},"Type","Error","err","An error that occurred in the deployed application. It is not necessarily a PanelAlpha Engine error, but we keep working on improvements so you run into fewer of them.",{"label":29,"value":30},"Seen","1 times",{"label":32,"value":7},"Where",{"label":34,"value":35,"tooltip":36},"Status","Observed","Our team will look into this soon, verify the cause and try to fix it in an upcoming release.",{"heading":38,"body":39},"Why it happens",[40,42,45],{"text":41},"The image build reaches the final stage, but its COPY instruction expects ",{"text":43,"code":44},"\u002Fcore\u002Fcore\u002Fbuilt\u002Fadmin",true,{"text":46},". That directory was not present in the build context produced by the earlier stages, so BuildKit cannot calculate the source checksum. The telemetry does not show whether the artifact was skipped, written to another path, or excluded from the build context.",{"heading":48,"block":49},"What the log looks like",{"header":50,"lines":51},"Deploy log",[52,56,60,62,66],{"segments":53},[54],{"text":55},"#21 [full 1\u002F1] COPY --chown=nobody:nogroup \u003Caccount>\u002Fcore\u002Fcore\u002Fbuilt\u002Fadmin core\u002Fbuilt\u002Fadmin",{"segments":57},[58],{"text":59},"#21 ERROR: failed to calculate checksum ...: \"\u002F\u003Caccount>\u002Fcore\u002Fcore\u002Fbuilt\u002Fadmin\": not found",{"segments":61,"blank":44},[],{"segments":63},[64],{"text":65},"#11 ... CANCELED",{"segments":67},[68],{"text":69},"#20 ... CANCELED",{"heading":71,"steps":72,"block":88},"How to fix it",[73],[74,76,78,80,82,84,86],{"text":75},"Check the Dockerfile and build scripts for the step that creates ",{"text":77,"code":44},"core\u002Fcore\u002Fbuilt\u002Fadmin",{"text":79},". Ensure it runs successfully before the final ",{"text":81,"code":44},"COPY",{"text":83},", and that it writes to the exact path expected by the image stage. Also check ",{"text":85,"code":44},".dockerignore",{"text":87},", workspace filters, and build-context paths for rules that could exclude the directory. Rebuild without relying on stale cache if the artifact was previously generated incorrectly.",{"header":89,"lines":90},"Fix by hand",[],{"heading":92,"body":93,"block":99},"How PanelAlpha Engine solves it",[94,96,97],{"text":95},"Add a Dockerfile preflight that verifies sources for COPY instructions after each build stage. Report the missing path and the producing build step, and distinguish a missing generated artifact from a Docker build-context or ",{"text":85,"code":44},{"text":98}," problem.",{"header":100,"lines":101},"",[],{"heading":103,"items":104},"Apps affected",[105],{"title":106,"badge":107,"tone":26,"href":108},"ghost-monorepo","1 occurrence","\u002Fapps\u002Ftryghost\u002Fghost",{"heading":110,"body":111,"footNote":112,"docsLabel":113,"docsHref":114},"Try PanelAlpha Engine yourself.","The easiest way to turn your server into a safe, controlled environment for your AI agent. Deploy, manage and maintain any project from Claude Code, Cursor, Codex or any other MCP client. Open source under Apache 2.0, free to run.","Requires Ubuntu 24.04 or 26.04 · 2 GB RAM · 1 CPU","Read the documentation","https:\u002F\u002Fpanelalpha.com\u002Fdocs"]