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Microservices

Microservices from monolith decomposition to production — DDD, service decomposition, API gateway, circuit breaker, SAGA, CQRS, observability, and Kubernetes deployment. Basic to advanced.

DDDAPI GatewayCircuit BreakerSAGA & CQRSObservabilityKubernetes
47 Concepts
Beginner (2)
→Intermediate (36)
→Advanced (9)

Fundamentals

7 concepts

Monolith vs Microservices

Beginner

12-Factor App Principles

Intermediate

Service Decomposition Strategies

Intermediate

Domain-Driven Design Basics

Intermediate

Bounded Contexts

Intermediate

Aggregates & Entities in DDD

Intermediate

Microservices Design Patterns Overview

Intermediate

Communication

7 concepts

Synchronous REST Communication

Beginner

Synchronous vs Asynchronous Communication

Intermediate

Message-Driven Architecture

Intermediate

Event-Driven Architecture

Intermediate

gRPC for Inter-Service Communication

Advanced

GraphQL as an API Layer

Advanced

API Versioning Strategies

Intermediate

Discovery & Gateway

4 concepts

Service Discovery — Eureka

Intermediate

API Gateway Pattern

Intermediate

Spring Cloud Gateway

Intermediate

Client-Side Load Balancing

Intermediate

Resilience

5 concepts

Circuit Breaker Pattern

Intermediate

Resilience4j Circuit Breaker

Intermediate

Retry Pattern

Intermediate

Bulkhead Pattern

Intermediate

Timeouts & Deadline Propagation

Intermediate

Data Management

5 concepts

Database per Service Pattern

Intermediate

SAGA Pattern for Distributed Transactions

Advanced

Event Sourcing

Advanced

CQRS Pattern

Advanced

Eventual Consistency

Intermediate

Observability

4 concepts

Distributed Tracing

Intermediate

Centralised Logging (ELK/Loki)

Intermediate

Health Checks & Readiness Probes

Intermediate

Metrics & Service Monitoring

Intermediate

Security

4 concepts

Service-to-Service Authentication

Advanced

JWT in Microservices

Intermediate

Secrets Management

Intermediate

Zero-Trust Networking

Advanced

Deployment

5 concepts

Containerisation with Docker

Intermediate

Kubernetes for Microservices

Advanced

Blue-Green Deployment

Intermediate

Canary Deployment

Intermediate

Service Mesh (Istio)

Advanced

Patterns

6 concepts

Strangler Fig Pattern

Intermediate

Idempotency in APIs

Intermediate

Feature Flags in Microservices

Intermediate

Backward Compatibility & Contract Testing

Intermediate

Graceful Shutdown

Intermediate

Microservices Anti-Patterns

Intermediate
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