Daniël Groothuis · building the web since 2016still up, still building

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TheBigHouse is my online garden: the work I've shipped, the articles I've written and whatever's on the workbench. Everything in the room goes somewhere — try the lamp.

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Daniël in an armchair with a laptop, floor lamp, cactus and books

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1// five minutes before the start2await webpush.sendNotification(sub, JSON.stringify({3  title: event.name,4  body: 'Starts in 5 min · ' + event.venue,5}), { vapidDetails });

server/api/notify.ts

FBK Games Event Day App 2026

1apiVersion: apps/v12kind: Deployment3metadata:4  name: bighaus-site5  labels:6    app: bighaus-site7spec:8  replicas: 19  strategy:10    type: RollingUpdate11    rollingUpdate:12      maxUnavailable: 013      maxSurge: 1

manifests/deployment.yaml

TheBigHouse 2026

1// device state arrives as events, never polled2const ws = new WebSocket(DEVICE_URL);3ws.onmessage = ({ data }) => {4  const msg = JSON.parse(data);5  if (msg.type === 'energy') supply.set(msg.watts);6  if (msg.type === 'device') devices.update(msg.id, msg.state);7};

src/lib/live.ts

Duurzame Bouwkeet 2024

Articles

Longer notes from the workbench — mostly infrastructure, written for humans.

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On the workbench

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Why TheBigHouse?

Big House - Groothuis, is a word play pun on my surname. I'm Daniël Groothuis. A Software Engineer with over 10+ years of experience.

SinceBuilding the web since 2016
NowSoftware Engineer at TRIMM

StackVue/Nuxt · TypeScript · Java · K8s
AlsoDevelops film, reads on a Kobo