AWS hosting and deployment patterns covering compute (EC2, ECS, Lambda), networking (ALB, CloudFront, Route 53, API Gateway), databases (RDS, ElastiCache), infrastructure-as-code (CDK), IAM, monitoring (CloudWatch), and cost optimization. Use when deploying applications to AWS or designing cloud architecture. Triggers on AWS, EC2, ECS, Fargate, Lambda, CloudFront, CDK, API Gateway, Route 53, RDS, IAM.