Architectural Record.

Technical documentation and insights into Systems Architecture.

August 12, 2026

Designing a zero-ops newsletter pipeline: architecture and trade-offs

How I built a self-accountability newsletter system using Cloudflare Workers, KV state machines, and Resend — with C4 architecture diagrams, idempotency guarantees, and behavioral constraints baked into infrastructure.

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#cloudflare-workers#resend#system-design#newsletter#infrastructure
August 8, 2026

Building a custom external authorization middleware with Go and Istio

A step-by-step guide on how to build a highly optimized HTTP/gRPC external authorizer middleware for Istio and secure your services at the mesh layer.

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#authorization#middleware#istio#go#security
January 31, 2026
In Progress / Borrador

Client and Envelope Encryption on fly

A ready integration to receive a file from the client apply aes-gcm-256 on this file and then verify on server and save using another aes-gcm-256 on server(s3-compatible)

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#encryption#security#fly.io

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