aws-cloudformation-rds

# AWS CloudFormation RDS Database ## Overview Create production-ready Amazon RDS infrastructure using AWS CloudFormation templates. Covers RDS instances (MySQL, PostgreSQL, Aurora), DB clusters, multi-AZ deployments, parameter groups, subnet groups, security groups, and cross-stack references. ## When to Use - Creating RDS instances (MySQL, PostgreSQL, Aurora) or DB clusters with read replicas - Setting up multi-AZ deployments or configuring parameter/subnet groups - Integrating with Secrets Manager or implementing cross-stack references ## Quick Reference | Component | CloudFormation Type | Use Case | |-----------|-------------------|----------| | DB Instance | `AWS::RDS::DBInstance` | Single database instance | | DB Cluster | `AWS::RDS::DBCluster` | Aurora cluster | | DB Subnet Group | `AWS::RDS::DBSubnetGroup` | VPC deployment | | Parameter Group | `AWS::RDS::DBParameterGroup` | Database configuration | | Security Group | `AWS::EC2::SecurityGroup` | Network access control | | Secrets Manager | `AWS::SecretsManager::Secret` | Credential storage | ## Instructions ### Step 1 — Define Database Parameters Use AWS-specific parameter types for validation. ```yaml Parameters: DBInstanceClass: Type: AWS::RDS::DBInstance::InstanceType Default: db.t3.micro AllowedValues: [db.t3.micro, db.t3.small, db.t3.medium] Engine: Type: String Default: mysql AllowedValues: [mysql, postgres, aurora-mysql, aurora-postgresql] MasterUsername: Type: Strin...