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Keycloak OpenFGA FastAPI authentication RBAC architecture diagram
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DevOps

From JWT Hand-Rolled to Federal-Grade: Refactoring the OAOS Auth Layer with Keycloak and OpenFGA

TL;DR The OAOS backend inherited a manual JWT-minting auth system wired to a database that no longer existed. We ripped it out and rebuilt it as a Keycloak + OpenFGA gateway; proper authentication, fine-grained authorization, compliance-ready from the ground up. This post covers the architecture decisions, the refactor, and the debugging gauntlet that stood between us and a green system.

Sep 6, 20262 min read
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Firmware CI/CD pipeline ESP32 PlatformIO GitHub Actions hardware testing
DevOps
Jul 25, 20262 min read

Firmware CI/CD Pipeline — Phase 2: Wiring a Real Server Into GitHub Actions

TL;DR: Phase 1 proved the firmware builds. Phase 2 makes it build automatically on a physical server I control, with a real ESP32 plugged into it, triggered by a Git push. This is where the "CI" in CI/CD stops being theoretical. A self-hosted GitHub Actions runner is now listening for code changes, building firmware, flashing it to hardware, and running serial validation tests.

C
Chris
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Firmware CI/CD pipeline ESP32 PlatformIO GitHub Actions hardware testing
DevOps
Jul 22, 20262 min read

Building a Firmware CI/CD Pipeline from Scratch — Phase 1: The Foundation

TL;DR: Most embedded teams still ship firmware by hand , a developer builds locally, flashes a board, pokes around, and calls it tested. This series documents building a complete automated firmware pipeline from nothing: reproducible builds, GitHub Actions, Python hardware test scripts, and eventually a self-hosted runner with a physical dev board wired directly into the CI system.

C
Chris
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Ideal customer profile ICP marketing targeting the right customer
Dashboard
Jun 7, 20262 min read

Half Your Marketing Team Is Talking to the Wrong People (Here's How to Fix It)

TL;DR: An Ideal Customer Profile (ICP) is the documented description of the exact type of company and person your business exists to serve. Without one, every marketing decision, the content you make, the channels you use, the words you write is essentially a guess. Only 48% of marketing teams have a clear, well-documented ICP. If you're in the other half, this post is your starting point.

C
Chris
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