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AWS Production Patterns

aws-patterns

AWS production patterns: ECS Fargate with Terraform, VPC 3-tier architecture, IAM least privilege with OIDC (no long-lived credentials), ALB + target groups, RDS Multi-AZ, ElastiCache cluster, S3 lifecycle policies, CloudWatch alarms, Secrets Manager rotation. Use when designing AWS architecture,...

rnavarych/alpha-engineer0installs15starsDevOps & CI/CD

SKILL.md

Full skill instructions

AWS Production Patterns

When to Use This Skill

  • Designing VPC and network architecture
  • Writing Terraform for ECS/​RDS/​ElastiCache
  • Setting up IAM with least privilege
  • Configuring ALB and target groups
  • Managing secrets with AWS Secrets Manager

Core Principles

  1. VPC 3-tier: public/​private/​data — load balancers in public, app in private, databases in data subnet; no DB in public
  2. IAM least privilege — no wildcard * resources in production policies; scope to specific ARNs
  3. No long-lived credentials — use IAM roles for EC2/​ECS/​Lambda; OIDC for GitHub Actions
  4. Multi-AZ everything — RDS Multi-AZ, ElastiCache replication group, ALB spans 3 AZs
  5. Secrets Manager over Parameter Store for secrets — automatic rotation, versioning, cross-account access

References available

  • references/​compute-patterns.md — ECS Fargate Terraform, task definitions, service with circuit breaker, GitHub Actions OIDC, IAM least privilege
  • references/​storage-patterns.md — RDS Multi-AZ, ElastiCache replication group, S3 lifecycle policies, Secrets Manager rotation
  • references/​networking-patterns.md — VPC 3-tier Terraform, ALB + target groups, security groups, NAT gateway HA