← Amazon Web Services (AWS) learning path
Amazon Web Services (AWS) · Module 7 of 10

Serverless with Lambda

Run code without managing servers.

📖 Key ideas

  1. Lambda runs functions in response to events.
  2. Triggers: API Gateway, S3 uploads, DynamoDB streams, schedules (EventBridge).
  3. Pay per request and execution time.
  4. Max 15 minutes per invocation.
  5. Combine with API Gateway to build serverless APIs.
💡 Real-life example: Lambda is a cook who appears only when an order arrives and leaves when it is served.
LambdaServerless function service
API GatewayManaged API front door
EventBridgeEvent bus and scheduler
Cold startDelay when a new environment starts