[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"problem-detail-error-start-app-a-build-step-failed-exit-code":3},{"stack":4,"error":5,"seoName":6,"seoStack":7,"seo":8,"breadcrumb":10,"titlePrefix":18,"titleAccent":19,"lead":20,"facts":23,"why":39,"log":44,"fix":65,"engine":74,"related":82,"pitch":89},"dockerfile","start-app-a-build-step-failed-exit-code","Node app install fails during the build step","Dockerfile, Node.js",{"description":9},"Learn what causes Node app install fails during the build step, how PanelAlpha Engine responds to it during deployment.",[11,14,17],{"label":12,"href":13},"App Installations","\u002Fapps",{"label":15,"href":16},"Dockerfile","\u002Fapps\u002Fstacks\u002Fdockerfile",{"label":6},"Node app install fails during ","the build step",[21],{"text":22},"Error recorded 3 times in PanelAlpha Engine deploys on Dockerfile, Node.js. The deploy log below is the recorded failure output.",[24,29,32,34],{"label":25,"value":26,"tone":27,"tooltip":28},"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":30,"value":31},"Seen","3 times · 2 variants",{"label":33,"value":7},"Where",{"label":35,"value":36,"tone":37,"tooltip":38},"Status","Fixed (2.1.0)","ok","Fixed in PanelAlpha Engine 2.1.0. The error is resolved on our side, so you will not run into it anymore.",{"heading":40,"body":41},"Why it happens",[42],{"text":43},"The Node deployment reached the container build stage, but a build command exited with code 1. The available log ends while pnpm dependencies are being installed, so the specific package or command error is unclear. Custom environment variables may also be affecting the build.",{"heading":45,"block":46},"What the log looks like",{"header":47,"lines":48},"Deploy log",[49,53,57,61],{"segments":50},[51],{"text":52},"#10 DONE 0.9s",{"segments":54},[55],{"text":56},"#11 [stage-0 6\u002F9] RUN --mount=type=cache,target=\u002Froot\u002F.local\u002Fshare\u002Fpnpm\u002Fstore,sharing=locked",{"segments":58},[59],{"text":60},"...",{"segments":62},[63],{"text":64},"Failed to start app: A build step failed (exit code 1)",{"heading":66,"steps":67,"block":71},"How to fix it",[68],[69],{"text":70},"Fixed in engine 2.1.0. The same repository deploys past this point on engine 2.1.0; this failure no longer occurs. Redeploy the project.",{"header":72,"lines":73},"Fix by hand",[],{"heading":75,"body":76,"block":79},"How PanelAlpha Engine solves it",[77],{"text":78},"Not reproduced on engine 2.1.0 (commit 133832712): redeployed github.com\u002Fn8n-io\u002Fn8n (partial) on the engine test hosts on 2026-09-30; no new event on this fingerprint.",{"header":80,"lines":81},"",[],{"heading":83,"items":84},"Apps affected",[85],{"title":86,"badge":87,"tone":27,"href":88},"n8n-monorepo","2 occurrences","\u002Fapps\u002Fn8n-io\u002Fn8n",{"heading":90,"body":91,"footNote":92,"docsLabel":93,"docsHref":94},"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"]