Presentation & API layer
Web front ends, APIs and gateways that expose services to users and external consumers.
Articles coming soonApplications & middleware
This section looks at how application tiers, middleware platforms and services sit on top of the infrastructure stack, and how they interact with databases, networks and security.
Layers
Select a layer to see diagrams and notes that connect apps back to the underlying platform.
Application & service layer
Business logic, microservices and background workers running on top of the platform.
Articles coming soonMiddleware platforms
Web servers, app servers, integration buses and messaging that glue systems together.
Articles coming soonObservability & resilience
Patterns for health checks, timeouts, retries and graceful degradation in app stacks.
Articles coming soon