Microservices Infrastructure Requirements

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Business Context & Architecture

What's the business domain? (e-commerce, fintech, healthcare, etc.)
Current architecture? (monolith migration, greenfield, hybrid)
Number of microservices planned? (current and future)
Team structure? (teams per service, DevOps model)
Compliance requirements? (PCI-DSS, HIPAA, SOX, etc.)
Go-live timeline and migration strategy?

Service Architecture & Communication

Service communication patterns? (synchronous, asynchronous, event-driven)
API protocols? (REST, GraphQL, gRPC, messaging)
Service mesh requirements? (Istio, App Mesh, Linkerd)
Event streaming needs? (Kafka, Kinesis, EventBridge)
Service discovery requirements?
Circuit breaker and retry patterns needed?

Container Strategy

Container orchestration preference? (EKS, ECS, Fargate)
Container registry needs? (ECR, third-party)
Base image strategy? (official images, custom images)
Container security scanning requirements?
Multi-architecture support needed? (x86, ARM)

Deployment & CI/CD

Deployment strategy? (blue/green, canary, rolling)
CI/CD tool preference? (CodePipeline, Jenkins, GitLab, GitHub Actions)
GitOps requirements?
Environment promotion strategy? (dev → staging → prod)
Rollback requirements and strategy?
Feature flag management needs?

Scalability & Performance

Expected traffic patterns per service?
Auto-scaling requirements? (horizontal pod autoscaling, cluster autoscaling)
Performance requirements? (latency, throughput)
Load testing strategy?
Caching requirements? (Redis, ElastiCache, CDN)
Database per service strategy?

Security & Authentication

Authentication strategy? (JWT, OAuth 2.0, SAML)
Authorization model? (RBAC, ABAC, service-to-service auth)
API gateway requirements? (rate limiting, throttling, security)
Secret management strategy? (AWS Secrets Manager, Parameter Store)
Network security? (service mesh, network policies)
Container image security scanning?

Observability & Monitoring

Logging strategy? (centralized logging, log aggregation)
Metrics collection? (Prometheus, CloudWatch, custom metrics)
Distributed tracing needs? (X-Ray, Jaeger, Zipkin)
APM requirements? (application performance monitoring)
Alerting strategy? (service-level, infrastructure-level)
Dashboard requirements? (service health, business metrics)