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Cloud infrastructure

Skill aiskillstore/marketplace/skills/89jobrien/cloud-infrastructure

Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.

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npx -y skills add aiskillstore/marketplace --skill cloud-infrastructure

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Cloud infrastructure design and deployment patterns for AWS, Azure, and GCP. Use when designing cloud architectures, implementing IaC with Terraform, optimizing costs, or setting up multi-region deployments.

SKILL.md

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Cloud Infrastructure

Comprehensive cloud infrastructure skill covering multi-cloud architecture, Infrastructure as Code, cost optimization, and production deployment patterns.

When to Use This Skill

Designing cloud architecture for new applications
Implementing Infrastructure as Code (Terraform, CloudFormation, Pulumi)
Cost optimization and resource right-sizing
Multi-region and high-availability deployments
Cloud migration planning
Security and compliance implementation
Auto-scaling and performance optimization

Cloud Architecture Patterns

Compute Patterns

Pattern	AWS	Azure	GCP	Use Case
Serverless	Lambda	Functions	Cloud Functions	Event-driven, variable load
Containers	ECS/EKS	AKS	GKE	Microservices, consistent env
VMs	EC2	Virtual Machines	Compute Engine	Legacy apps, full control
Batch	Batch	Batch	Batch	Large-scale processing

Storage Patterns

Type	AWS	Azure	GCP	Use Case
Object	S3	Blob Storage	Cloud Storage	Static files, backups
Block	EBS	Managed Disks	Persistent Disk	Database storage
File	EFS	Azure Files	Filestore	Shared file systems
Archive	Glacier	Archive	Coldline	Long-term retention

Database Patterns

Type	AWS	Azure	GCP	Use Case
Relational	RDS, Aurora	SQL Database	Cloud SQL	ACID transactions
NoSQL	DynamoDB	Cosmos DB	Firestore	Flexible schema
Cache	ElastiCache	Cache for Redis	Memorystore	Session, caching
Data Warehouse	Redshift	Synapse	BigQuery	Analytics

Infrastructure as Code

Terraform Best Practices

Project Structure:

infrastructure/
├── modules/
│   ├── networking/
│   ├── compute/
│   └── database/
├── environments/
│   ├── dev/
│   ├── staging/
│   └── prod/
├── main.tf
├── variables.tf
├── outputs.tf
└── versions.tf

State Management:

Use remote state (S3, Azure Blob, GCS)
Enable state locking (DynamoDB, Blob lease)
Separate state per environment
Never commit state files

Module Design:

Single responsibility per module
Expose minimal required variables
Document inputs/outputs
Version modules with git tags

Cost Optimization

Compute Savings:

Reserved Instances (1-3 year commitment): 30-60% savings
Spot/Preemptible instances: 60-90% savings for interruptible workloads
Right-sizing: Match instance size to actual usage
Auto-scaling: Scale down during low usage

Storage Savings:

Lifecycle policies: Auto-transition to cheaper tiers
Compression: Reduce storage footprint
Deduplication: Eliminate redundant data
Delete unused resources: Orphaned volumes, snapshots

Network Savings:

Use CDN for static content
Optimize data transfer paths
Use private endpoints
Compress API responses

High Availability Patterns

Multi-AZ Deployment

Deploy across 2-3 availability zones
Use load balancers for distribution
Database replication across AZs
Automatic failover configuration

Multi-Region Deployment

Active-active or active-passive
DNS-based routing (Route53, Traffic Manager)
Data replication strategy
Disaster recovery procedures

Resilience Patterns

Circuit breakers for external dependencies
Retry with exponential backoff
Bulkhead isolation
Graceful degradation

Security Best Practices

Identity & Access

Principle of least privilege
Use IAM roles, not long-term credentials
Enable MFA for privileged accounts
Regular access reviews

Network Security

VPC/VNet isolation
Security groups as firewalls
Private subnets for backend services
VPN/Direct Connect for hybrid

Data Protection

Encryption at rest (KMS)
Encryption in transit (TLS)
Key rotation policies
Backup and recovery testing

Monitoring & Observability

Key Metrics

CPU, Memory, Disk utilization
Network throughput and latency
Error rates and types
Cost per service/team

Alerting Strategy

Set thresholds based on baselines
Alert on symptoms, not causes
Runbooks for each alert
Escalation paths defined

Reference Files

references/terraform_patterns.md - IaC patterns and examples
references/cost_optimization.md - Detailed cost reduction strategies

Integration with Other Skills

security-engineering - For security architecture
network-engineering - For network design
performance - For optimization strategies
devops-runbooks - For operational procedures

Keep looking

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