Cloud Architecture Decision Guide

Cloud architecture decision guide with service selection, networking, reliability, and cost optimization.

devopscloudarchitectureaws

Prompt

Help me design cloud architecture for: {{workload_type}}

Cloud provider: {{cloud_provider}}
Scale: {{scale_requirements}}
Budget: {{budget}}
Compliance: {{compliance}}
Team cloud expertise: {{experience_level}}

Design:

1. **Architecture diagram** (describe):
   - Components and their interactions
   - Data flow between services
   - External integrations

2. **Service selection** (for each component):
   | Component | Service | Why This | Alternative | Monthly Cost Est |
   - Compute (Lambda, ECS, EC2, Cloud Run)
   - Database (RDS, DynamoDB, Cloud SQL, Aurora)
   - Cache (ElastiCache, Memorystore)
   - Storage (S3, GCS, Blob)
   - CDN (CloudFront, Cloud CDN)
   - Queue/Messaging (SQS, Pub/Sub, EventBridge)

3. **Networking**:
   - VPC design (public/private subnets)
   - Security groups / firewall rules
   - DNS and domain setup
   - SSL/TLS certificate management

4. **Reliability**:
   - Multi-AZ / multi-region strategy
   - Auto-scaling policies
   - Backup and disaster recovery
   - RTO and RPO targets

5. **Cost optimization**:
   - Reserved instances vs. on-demand vs. spot
   - Right-sizing recommendations
   - Cost alerting and budgets
   - Estimated monthly breakdown

6. **IaC recommendation**: Terraform, CDK, or Pulumi config outline

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