MIU-Seminar-2025-03-Homework5

Requirements

Create and Deploy a Basic AWS Lambda Function

• Create a Lambda function in AWS.
• Write a simple function that returns a list of users:

[
  {name: "Peter", id: "01"},
  {name: "Michael", id: "02"},
  {name: "Ann", id: "03"},
  {name: "Williams" id: "04"}
]

• Test the function inside AWS Lambda Console.

Set Up API Gateway to Expose the Lambda Function

• Create an API Gateway as REST API.
• Create a GET method that triggers the Lambda function.
• Deploy the API and obtain the API endpoint.
• Test using Postman or Curl.

Create a DynamoDB Table

• Create a DynamoDB table named users with:
• Primary Key: userId (String).

Modify Lambda to Create Data from DynamoDB

• Modify the Lambda function to write data from DynamoDB.
• Accept input JSON and store data in DynamoDB.
• Query data from the database.

Extend API to Retrieve Users from DynamoDB

• Modify the Lambda function to retrieve a user by userId.
• Accept userId as a path parameter.

Submit screenshots demonstrating:

• Create and deploy AWS Lambda functions.
• Expose APIs using API Gateway.
• Store and retrieve data from DynamoDB.