Monolithic Architecture
All functionality in a single deployable — simple to start, hard to scale.
monolithsingle deploycoupling
Microservices Architecture
Split functionality into independently deployable services around business domains.
microservicesbounded contextAPI
Serverless Architecture
Deploy functions without managing servers — pay per invocation.
LambdaFaaSserverless
CQRS
Separate the models for reading and writing data to optimize each independently.
CQRSread modelwrite model
Event Sourcing
Store state as an append-only log of events instead of current values.
event sourcinglogreplay
Backend for Frontend
A dedicated API layer tailored to each client type (mobile, web, TV).
BFFAPIclient-specific
Strangler Fig Pattern
Incrementally replace a monolith by routing traffic to new services one piece at a time.
strangler figmigrationincremental
Sidecar Pattern
Attach a helper container to each service for shared concerns like proxying and logging.
sidecarcontainerproxy
Service Mesh
Offload service-to-service networking — mTLS, retries, tracing — to a mesh layer.
IstioEnvoymTLS
Service Discovery
Let services find each other dynamically without hardcoded addresses.
Consulservice registryDNS
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Multi-Region Architecture
Deploy across multiple geographic regions for latency and disaster recovery.
multi-regiongeoDR
Blue/Green & Canary Deployments
Release changes safely by splitting traffic between old and new versions.
blue-greencanaryrollout
Feature Flags
Toggle features on/off at runtime without deploying new code.
feature flagLaunchDarklyrollout