Reference architectureEvents and IoT
IoT ingestion that tolerates duplicates, disorder, and disconnections
Listeners, idempotency, per-device ordering, dead-letter, replay, and observability without inventing a system protocol.
- IoT
- events
- replay
Knowledge
Architecture explained for better decisions
Guides about production boundaries that matter: failure, state, contracts, persistent data, and recovery. These are reference architectures, not client cases.
Knowledge
Reference architectureGeospatial data
Nominatim: scalable service, persistent data
A stateless application layer around Nominatim with persistent PostgreSQL/PostGIS, caching, and explicit operational limits.
- Nominatim
- PostGIS
- Redis
Reference architectureIntegrations and data
REST/SOAP adapters and PostgreSQL under load
Contracts, retries, idempotency, and domain isolation alongside partitioning, indexes, query plans, bloat, and autovacuum.
- REST
- SOAP
- PostgreSQL
Reference architectureApplied AI and engineering
Agentic programming: more speed requires stronger controls
LLMs and coding agents governed by specifications, TDD, isolation, independent review, and fail-closed gates.
- LLM
- agents
- TDD
Reference architectureApplied AI · Architecture
Hermes Agent: architecture, capabilities, and SOUL.md
How to build agents as complete profiles: identity, context, memory, skills, tools, automation, security, and delivery.
- Hermes
- SOUL.md
- agents
Reference architectureApplied AI · Architecture
DeepSeek Harness and Cordis: composable agents with control
What dsh is, how it relates to Cordis, and why DeepSeek-R1 is model context rather than the harness architecture.
- DeepSeek
- Cordis
- plugins
Recommended readingSoftware management
The Mythical Man-Month: why more people can create more delay
A short reading note on schedules, onboarding, communication, conceptual integrity, and the decisions a company faces when a project runs late.
- Brooks's Law
- teams
- schedules
Recommended readingSoftware design
Design Patterns: how it still applies today
A short reading note on Strategy, Adapter, Decorator, Observer, and the judgment to use patterns without over-designing.
- patterns
- composition
- coupling
Related cases