Architecture Decision Records¶
Key architectural decisions with context, rationale, and consequences.
| # | Decision | Date | Status |
|---|---|---|---|
| ADR-001 | NAT Instance over NAT Gateway | 2025-11 | Accepted |
| ADR-002 | Fargate over EC2 for services | 2025-11 | Accepted |
| ADR-003 | Step Functions STANDARD over EXPRESS | 2025-11 | Accepted |
| ADR-004 | Protocol-based DI over ABC | 2025-11 | Accepted |
| ADR-005 | 4-stack Pulumi architecture | 2025-11 | Accepted |
| ADR-006 | ArcticDB over PostgreSQL for time-series | 2025-11 | Accepted |
| ADR-007 | GitHub Actions sole CI/CD | 2026-03 | Accepted |