Blog - Infrastructure, Observability & Distributed Systems

Tech Lead at Volkswagen Group Charging GmbH (Elli), building backend systems for 900,000+ EV charging stations.

I write about infrastructure, service mesh, observability, and the dirty work of making distributed systems actually work in production.

Side projects: matgen.ai (battery materials research), lamp.matgen.ai (AI patent analysis), cheatmeal (full-stack Rust PWA).

Go, TypeScript, Rust. 15 years shipping code. AWS Solutions Architect Professional.

Dual-Stack IPv6 with Cilium Gateway API

Enabling native IPv6 support for Cilium Gateway API on Talos Linux - the real fix for 'IPv6 not configured on this cluster'.

Zero-downtime migration of web apps from Docker Swarm with Traefik to Kubernetes with Cilium Gateway API.

Setting up HTTPS on Cilium Gateway API using Cloudflare origin certificates for Full (Strict) mode.

Setting up Cilium Gateway API in hostNetwork mode to route external traffic to Kubernetes services.

Simple Redis deployment on Kubernetes with a plain StatefulSet - no Helm chart bloat.

Setting up NATS with JetStream for messaging, including metrics export to HyperDX and a monitoring dashboard.

Setting up the data layer with CloudNativePG, NATS JetStream, proper namespace isolation, and metrics export to HyperDX.

Setting up production-grade observability with ClickStack, HyperDX, OpenTelemetry Operator, and Altinity ClickHouse Operator on Kubernetes.

Configuring Cilium 1.19 with Hubble observability and namespace-level network policies on Talos Linux.

Step-by-step guide to deploying a 3-node Kubernetes cluster with Talos Linux and Cilium on bare metal VPS servers.