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Level All Beginner Intermediate Advanced Tag: microservices
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Distributed Tracing
Distributed tracing tracks a request as it flows through multiple services — each service adds a span to a shared trace, giving end-to-end visibility into latency and failures.
2mo ago observability intermediate
Message Broker
A message broker is middleware that receives, routes, and delivers messages between producers and consumers — decoupling services and enabling async communication at scale.
2mo ago messaging intermediate
Saga Pattern
The Saga pattern manages distributed transactions across services using a sequence of local transactions — each step publishes an event, and compensating transactions undo completed steps on failure.
2mo ago messaging advanced
Service Discovery Patterns
The mechanism by which services in a distributed system locate each other's network addresses — eliminating hardcoded IPs by maintaining a registry that services register with and query at runtime.
2mo ago architecture intermediate
Transactional Outbox Pattern
The Outbox pattern atomically saves domain events to an 'outbox' DB table in the same transaction as business data — a relay then publishes to the message broker, preventing lost events.
2mo ago messaging advanced
API Composition Pattern
An API layer aggregates parallel service calls into a single client response — reducing N round trips to 1 and improving perceived latency.
2mo ago architecture advanced
API Contract Testing
Consumer-driven contract tests verify that a provider API matches what consumers expect — catching breaking changes before deployment, without end-to-end tests.
2mo ago api_design advanced
Diagram: Backends for Frontends (BFF) Backends for Frontends (BFF) PHP 7.0+
A dedicated API layer per frontend client (mobile app, web app, third-party) — each BFF aggregates and transforms microservice data for its specific client's needs.
2mo ago architecture advanced
Diagram: Service Mesh Service Mesh
Infrastructure layer handling service-to-service communication — mutual TLS, observability, retries, circuit breaking, and traffic shaping without application code changes.
2mo ago architecture advanced
Sidecar Pattern
Deploying a helper container alongside the main application container in the same pod — extending functionality (logging, proxying, TLS) without modifying the application.
2mo ago architecture advanced
Diagram: API Gateway Pattern API Gateway Pattern
A single entry point for all clients that handles routing, authentication, rate limiting, and protocol translation for backend services.
2mo ago architecture intermediate
Diagram: Bounded Context (DDD) Bounded Context (DDD)
An explicit boundary within which a domain model and its ubiquitous language apply — the same term may mean different things in different contexts.
2mo ago architecture advanced
Diagram: Bulkhead Pattern Bulkhead Pattern
Isolating system components into separate resource pools so a failure in one doesn't cascade and exhaust resources for others.
2mo ago architecture advanced
Diagram: Choreography vs Orchestration Choreography vs Orchestration
Two patterns for coordinating microservices: orchestration uses a central coordinator that calls each service; choreography uses events that services react to independently.
2mo ago architecture advanced
Diagram: Circuit Breaker Pattern Circuit Breaker Pattern PHP 5.0+
Wrapping calls to a flaky downstream service with a state machine that opens (stops calls) after threshold failures, preventing cascade failures.
2mo ago architecture intermediate
Diagram: Consumer-Driven Contract Testing Consumer-Driven Contract Testing
A testing approach where the consumer of an API defines a contract of what it expects, and the provider verifies it satisfies that contract — enabling independent deployment of microservices.
2mo ago testing advanced
Diagram: gRPC gRPC PHP 7.0+
A high-performance RPC framework using Protocol Buffers and HTTP/2 — strongly typed contracts, efficient binary serialisation, and streaming support.
2mo ago architecture advanced
✓ schema.org compliant