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Posts about architecture, backend, and platform engineering.

3 articles published

August 5, 2026 SRE 4 min read

Gossip, push/pull, and the missing window: multi-region Alertmanager dedup

A healthy cluster only proves the happy path. Real HA needs to converge when peers are degraded.

July 29, 2026 Architecture

Implementing RBAC: when centralizing looked like the right answer

Why a centralized RBAC Core turned into a single point of failure and an organizational bottleneck, and how a federated model with OpenFGA fixed it.
- RBAC
- OpenFGA
- Authorization
2 min read
February 20, 2026 DevOps

Docker → Kubernetes (K3s) in a Multi-Tenant Environment

A practical checklist from the K3s migration: rollout, per-tenant isolation, and the trade-offs that kept incidents at bay.
- Kubernetes
- K3s
- multi-tenant
2 min read