slog migration — replacing five logging libraries with stdlib
Go 1.21 added structured logging to the stdlib (slog). For a codebase with three or four logging-library generations layered on top of each other, the migration is a productive afternoon.
Archive
103 posts · Page 8 of 9. ← Blog
Running AWS Bedrock and Vertex AI in the same agent stack
An enterprise customer wants you on AWS; the next one wants you on GCP. The provider router pattern that keeps the agent code identical and swaps only the LLM endpoint.
Egress costs — the gotcha that kills cloud-arbitrage plans
Cross-cloud data movement is billed by the GB. The bill is invisible until it isn't. A multi-region or multi-cloud architecture that doesn't model egress costs in design will discover them in production.
Data residency in the Gulf — UAE ADGM/DIFC + Saudi SAMA at Bancnet
An open-banking platform serving UAE and Saudi customers had to honour three overlapping regulators: ADGM (Abu Dhabi), DIFC (Dubai), and SAMA (Saudi central bank). Notes on the architecture that satisfied all three.
GKE for stateful AI workloads — the patterns that survived production
Multi-agent stacks have state: vector indexes, chat histories, agent memory. GKE for AI workloads needs StatefulSets, PVCs, gateway controllers, and the patterns that work in 2026.
Workload Identity Federation Azure → GCP for a real migration
Moving a workload from Azure to GCP while it continues to authenticate against on-prem Azure AD (Entra ID). Federation lets the GCP workload assume a GCP service account based on its Azure identity.
UPI integration — the spec quirks no one mentions
UPI is the most popular payment rail in India. The spec is precise. The implementation guides are not. Notes on the integration details that ate weeks the first time.
KYC under the RBI Master Direction vs Aadhaar offline KYC — the practical differences
Two KYC pathways an Indian fintech has to support. The Master Direction (Video KYC, etc.) and Aadhaar Offline KYC. Different speeds, different evidence requirements, different audit shapes.
Voice AI for two-wheelers — multi-language patterns from the Kinetic India work
A rider asks the bike a question in Marathi, Hindi, or English. The voice stack has to do ASR, intent classification, dispatch to a service tool, generate a response, TTS — all under 3 seconds. Notes from the proof-of-concept.
Brownlow — Cloud KMS + Security Command Center for vote integrity
Vote integrity needed two things the platform team couldn't fake even by accident: signing keys we couldn't access, and continuous security monitoring we couldn't silence. KMS + SCC delivered both.
AIGP body of knowledge — a Go engineer's reading map
IAPP's AI Governance Professional certification covers a body of knowledge worth knowing whether you certify or not. The mapping from BOK to working Go code for the engineer who wants to understand AI governance practically.
The board policy is not a slide — it's a YAML file
The bank's board approves an AI policy. The policy exists as a slide deck nobody reads. The risk team's actual operational policy is what's in the code. Closing that gap is the FREE-AI Rec 14 win.