Architecture

Finnest Power follows a layered, vendor-neutral architecture.

C4 Diagrams

• Context — users, regulators, banks, fintechs, and the Finnest platform boundary.
• Container — gateway, services, data stores, internal events, and observability.
• Component — per-service internals.

Layers

1. L1 — Cloud control plane — Terraform modules per cloud or customer environment.
2. L2 — Runtime — Kubernetes cluster and Helm charts.
3. L3 — Data — PostgreSQL, NATS JetStream, and Redis.
4. L4 — Application — Finnest services, Power Admin, CLI, and TUI.

Only L1 is provider-specific. Everything above runs identically on Kubernetes.