[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"problem-detail-error-yn0000-yarn":3},{"stack":4,"error":5,"seoName":6,"seoStack":7,"seo":8,"breadcrumb":10,"titlePrefix":19,"titleAccent":20,"lead":21,"facts":24,"why":39,"log":44,"fix":81,"engine":90,"related":98,"pitch":113},"nextjs","yn0000-yarn","Next.js deploy fails","Nextjs, Vite",{"description":9},"Learn what causes Next.js deploy fails, how PanelAlpha Engine responds to it during deployment.",[11,14,17],{"label":12,"href":13},"App Installations","\u002Fapps",{"label":15,"href":16},"Nextjs","\u002Fapps\u002Fstacks\u002Fnextjs",{"label":18},"Next.js deploy fails: the Yarn monorepo never answers health checks","Next.js deploy fails: ","the Yarn monorepo never answers health checks",[22],{"text":23},"Error recorded 15 times in PanelAlpha Engine deploys on Nextjs, Vite. The deploy log below is the recorded failure output.",[25,30,33,35],{"label":26,"value":27,"tone":28,"tooltip":29},"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":31,"value":32},"Seen","15 times · 3 variants",{"label":34,"value":7},"Where",{"label":36,"value":37,"tooltip":38},"Status","Observed","Our team will look into this soon, verify the cause and try to fix it in an upcoming release.",{"heading":40,"body":41},"Why it happens",[42],{"text":43},"The repository was detected as Next.js, but the deployment did not expose a healthy HTTP service on port 3000. The log shows extensive Yarn peer-dependency warnings, but the available telemetry does not confirm they caused the failure. The repository also includes Docker Compose and a workspace-style monorepo, which may not match the selected Next.js strategy.",{"heading":45,"block":46},"What the log looks like",{"header":47,"lines":48},"Deploy log",[49,53,57,61,65,69,73,77],{"segments":50},[51],{"text":52},"➤ YN0000: · Yarn 4.13.0",{"segments":54},[55],{"text":56},"➤ YN0000: ┌ Post-resolution validation",{"segments":58},[59],{"text":60},"➤ YN0060: │ @nestjs\u002Fgraphql ... doesn't satisfy @graphql-yoga\u002Fnestjs",{"segments":62},[63],{"text":64},"➤ YN0002: │ twenty-emails@workspace:packages\u002Ftwenty-emails doesn't provide react",{"segments":66},[67],{"text":68},"...",{"segments":70},[71],{"text":72},"Health check: port 3000",{"segments":74},[75],{"text":76},"HTTP response: none",{"segments":78},[79],{"text":80},"Service status: unhealthy",{"heading":82,"steps":83,"block":87},"How to fix it",[84],[85],{"text":86},"Review the complete build and runtime log after the dependency checks; the captured tail does not show the final error. Confirm the intended app and start command for this repository, and ensure it binds to 0.0.0.0:3000. If the application requires Compose services or environment variables, configure those before redeploying, or select a strategy that supports the repository layout. Resolve dependency validation errors if the full log shows Yarn stopped on them.",{"header":88,"lines":89},"Fix by hand",[],{"heading":91,"body":92,"block":95},"How PanelAlpha Engine solves it",[93],{"text":94},"The failure is currently reported at the running\u002Fhealth stage without a decisive error message. Capture the final build and process-exit output, distinguish Yarn warnings from fatal errors, and validate the detected start command and bound port for monorepos with Compose manifests.",{"header":96,"lines":97},"",[],{"heading":99,"items":100},"Apps affected",[101,105,109],{"title":102,"badge":103,"tone":28,"href":104},"twenty-monorepo","10 occurrences","\u002Fapps\u002Ftwentyhq\u002Ftwenty",{"title":106,"badge":107,"tone":28,"href":108},"secretsanta","4 occurrences","\u002Fapps\u002Farcanis\u002Fsecretsanta",{"title":110,"badge":111,"tone":28,"href":112},"AFFiNE","1 occurrence","\u002Fapps\u002Ftoeverything\u002Faffine",{"heading":114,"body":115,"footNote":116,"docsLabel":117,"docsHref":118},"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"]