https://lennykiruthu.xyz/ Recent content on Lenny Kiruthu Hugo en-us Sat, 18 Apr 2026 00:00:00 +0000 https://lennykiruthu.xyz/platform/architecture/ Mon, 01 Jan 0001 00:00:00 +0000 https://lennykiruthu.xyz/platform/architecture/ The full technical stack — data sources, transformation layer, orchestration, storage, and frontend. https://lennykiruthu.xyz/docs/transactions/ Mon, 01 Jan 0001 00:00:00 +0000 https://lennykiruthu.xyz/docs/transactions/ How to record BUY and SELL transactions, what each field means, and how to correct mistakes. https://lennykiruthu.xyz/platform/getting-started/ Mon, 01 Jan 0001 00:00:00 +0000 https://lennykiruthu.xyz/platform/getting-started/ How to create an account and start using the portfolio analytics platform. https://lennykiruthu.xyz/building/2026-04-18-auth/ Sat, 18 Apr 2026 00:00:00 +0000 https://lennykiruthu.xyz/building/2026-04-18-auth/ I could have used Supabase Auth or Firebase. Here's why I rolled my own JWT auth with FastAPI instead — and what that decision cost me. https://lennykiruthu.xyz/building/2026-04-10-dbt/ Fri, 10 Apr 2026 00:00:00 +0000 https://lennykiruthu.xyz/building/2026-04-10-dbt/ A walkthrough of the dbt project — the staging models, the daily holdings reconstruction, and the gold layer that powers the dashboard.