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Microservices Cheatsheet

Quick reference for patterns, best practices, troubleshooting

Quick Reference

Core Concepts

  • Service Independence
  • Database Per Service
  • API Gateway
  • Event-Driven Communication

Key Patterns

  • Circuit Breaker
  • Saga
  • CQRS
  • Service Discovery

Implementation Checklist

AreaBest Practice
CommunicationUse REST, gRPC, or events
DataDatabase per service
DeploymentCI/CD with containers
MonitoringDistributed tracing

Architecture Checklist

  • ✅ Service boundaries well-defined
  • ✅ Independent deployability
  • ✅ Resilience patterns implemented
  • ✅ Observability in place
  • ✅ Security at every layer
  • ✅ Automated testing and deployment