Architecture: How Coder Works

Your developers are writing code on laptops. Powerful cloud machines sit idle in your data centre. Your team's local environments diverge slowly until "works on my machine" becomes the default explanation for every bug. That's the problem Coder was built to solve. Coder is a self-hosted Cloud Development Environment (CDE) platform. It moves development off local machines and onto cloud infrastructure you control, giving develope… Read More

Architecture: How Kubernetes Works

You have a fleet of containers. They need to run reliably, scale under load, recover from failures, and communicate with each other — all without you manually SSHing into servers at 2am. That's the problem Kubernetes was built to solve. This post walks through how Kubernetes is actually architected: what the pieces are, how they talk to each other, and why they were designed that way. No prior Kubernetes experience needed — just a general com… Read More

Explained: STUN Protocol

You're on a video call. The connection is direct — low latency, no relay, no server in the middle eating your bandwidth. Yet both you and the person you're talking to are behind routers, on private networks, with addresses the internet has never heard of. How did your browser find the other person? The answer, almost certainly, involved STUN . It ran silently in the background before the call even connected, took a fraction of a second,… Read More