Implementing Envoy's WASM Filter API for Custom Auth at the Edge
A practical guide to shipping a production-grade Envoy WASM filter that validates JWTs and custom tokens at the edge gateway.
Architecting gRPC Streaming Services with Envoy as an API Gateway
How to design, configure, and operate Envoy as an API gateway for gRPC streaming services — covering protocol translation, observability, and the failure modes that bite in production.
Inside eBPF and Cilium: How Kernel-Level Filtering Rewrites Container Networking
How eBPF and Cilium move packet filtering from user-space daemons into the Linux kernel itself — and why that rewrites the rules for Kubernetes networking performance, observability, and security.
Distributed Tracing Across Kafka and gRPC With OpenTelemetry Context Propagation
A field guide to implementing distributed tracing with OpenTelemetry across Kafka message boundaries and gRPC calls, including header propagation, instrumented producers and consumers, and the failure modes that leave orphaned spans.
GitHub Zero to Hero: The Engineer’s Guide to Shipping Code Without Drama
A working engineer’s playbook for going from first commit to GitHub Actions, code review, security, and Codespaces — without the usual tutorial fluff.