# AWS Lambda
- Function hosting service

- Configure function
  - languages : Java 8, NodeJS, Node.js 4.3, Python 2.7

```
def lambda_handler(event, context):
    # TODO implement
    return 'Hello from Lambda'
```

## How to
- Name, Description, Runtime
- Input Code or upload .ZIP
- Handler : lambda_function.lambda_handler
- Role
- Memory 128MB+
- Timeout 3sec+
- VPC

## Trigger
- API Gateway -> Lambda