Diagram Template Gallery
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SaaS Three-Tier Platform
Core SaaS web stack with UI, service, cache, and persistent storage. Starter template grounded in the Three-layer Architecture D2 syntax pattern.
SaaS Three-Tier Platform (Operations)
Core SaaS web stack with UI, service, cache, and persistent storage. Operations variant that adds authentication boundaries and observability telemetry capture.
SaaS Three-Tier Platform (Enterprise)
Core SaaS web stack with UI, service, cache, and persistent storage. Enterprise variant that adds analytics export and backup lifecycle handling.
Event Worker Pool Topology
Queue-based asynchronous processing with horizontally scaled workers. Starter template grounded in the Queue and Worker Pool D2 syntax pattern.
Event Worker Pool Topology (Operations)
Queue-based asynchronous processing with horizontally scaled workers. Operations variant that adds scheduled ingestion and dead-letter replay controls.
Event Worker Pool Topology (Enterprise)
Queue-based asynchronous processing with horizontally scaled workers. Enterprise variant that adds capacity metrics and upstream throttling alerts.
Multi-Tenant Boundary References
Nested service boundaries with parent-reference dependencies. Starter template grounded in the Nested Boundaries with References D2 syntax pattern.
Multi-Tenant Boundary References (Operations)
Nested service boundaries with parent-reference dependencies. Operations variant that adds additional internal service fan-out and authorization context flow.
Multi-Tenant Boundary References (Enterprise)
Nested service boundaries with parent-reference dependencies. Enterprise variant that adds partner-feed ingress and outbound report integration.
Gateway-Centric Service Bundle
API gateway entrypoint with auth, billing, and notification services. Starter template grounded in the Gateway and Downstream Bundle D2 syntax pattern.
Gateway-Centric Service Bundle (Operations)
API gateway entrypoint with auth, billing, and notification services. Operations variant that adds rate-limiting and audit trace collection.
Gateway-Centric Service Bundle (Enterprise)
API gateway entrypoint with auth, billing, and notification services. Enterprise variant that adds event bus fan-out for downstream notifications.
Active-Active Regional Cluster
Dual-region topology with shared global entry and mirrored persistence. Starter template grounded in the Symmetric Cluster Topology D2 syntax pattern.
Active-Active Regional Cluster (Operations)
Dual-region topology with shared global entry and mirrored persistence. Operations variant that adds replication stream and conflict resolution paths.
Active-Active Regional Cluster (Enterprise)
Dual-region topology with shared global entry and mirrored persistence. Enterprise variant that adds standby disaster-recovery region and drill access.
Partner Integration Boundary Map
Boundary map for partner feeds, internal edge controls, and persistence. Starter template grounded in the Boundary Map with Notes D2 syntax pattern.
Partner Integration Boundary Map (Operations)
Boundary map for partner feeds, internal edge controls, and persistence. Operations variant that adds SIEM routing and runbook-driven incident response.
Partner Integration Boundary Map (Enterprise)
Boundary map for partner feeds, internal edge controls, and persistence. Enterprise variant that adds cache hot-path and threat-intel enrichment flows.