AWS Resources

Amazon ECS and Fargate

Running containers on AWS — ECS vs EKS, Fargate vs EC2 launch type, scaling, service discovery, and when to use containers vs Lambda.

AWS Lambda

When to use Lambda, how it scales, pricing model, concurrency controls, and common architecture patterns.

AWS Step Functions

Orchestrating workflows on AWS with Step Functions — state machines, error handling, and CDK patterns.

Lambda Durable Functions

Build fault-tolerant multi-step workflows directly in Lambda — checkpointing, automatic retry, long-running waits, and how it compares to Step Functions.

Lambda Managed Instances

Run Lambda functions on EC2 instances with serverless simplicity — multi-concurrency, EC2 pricing, and when to use them.

AWS Cost Optimization Patterns

Practical cost optimization on AWS — Savings Plans, Graviton, right-sizing, spot instances, and the patterns that actually reduce your bill.

Amazon Aurora and RDS

Relational databases on AWS — Aurora vs RDS, Serverless v2, read replicas, RDS Proxy, and when to use relational vs DynamoDB.

Amazon DynamoDB

When to use DynamoDB, how it works, key design patterns, and CDK setup for production tables.

CDK vs CloudFormation

Infrastructure as code on AWS — when to use CDK vs CloudFormation, the migration path, and why CDK wins for most teams.

Amazon EventBridge

Event-driven architecture on AWS with EventBridge — routing rules, schema discovery, and CDK setup.

Amazon SNS

Pub/sub messaging on AWS — fan-out patterns, message filtering, SNS+SQS, and when to use SNS vs EventBridge.

Amazon SQS

Message queuing on AWS — Standard vs FIFO, dead-letter queues, scaling patterns, and when to use SQS vs other messaging services.

Amazon API Gateway

Building APIs on AWS — REST vs HTTP APIs, authorization, throttling, custom domains, and architecture patterns.

Amazon VPC

VPC architecture on AWS — subnets, NAT vs VPC endpoints, security groups, and network design for production workloads.

Amazon CloudWatch

Observability on AWS — metrics, alarms, Logs Insights, embedded metrics format, and what you actually need to monitor.

Amazon Cognito

Managed authentication on AWS — user pools, app clients, JWT validation, hosted UI, and when Cognito is (and isn't) the right choice.

AWS IAM

Identity and Access Management on AWS — least-privilege patterns, roles vs policies, cross-account access, and common mistakes.

Amazon S3

Object storage on AWS — storage classes, lifecycle policies, event notifications, security, and cost optimization.