README.md

AWS Lambda Function Hello World JSON Python example

This folder contains an AWS Lambda Function example in Python on AWS (Amazon Web Services).

It handles a simple AWS Lambda function that shows the content (JSON) of the call to the lambda function and returns a message including this content.

Requirements

• You must have an Amazon Web Services (AWS) account.

• The code was written for Python 3.

Using the code

• Access the AWS console.

• Select AWS Lambda in the services menu.

• Create an AWS lambda function.

  • Name: <LAMBDA_NAME>
  • Runtime: Python 3.8
  • Handler: lambda_function.lambda_handler
  • Role: lambda-basic-execution
  • Runtime Settings for the lambda function:
    • Memory (MB): 128
    • Timeout: 3 sec
  • The resources that the function's role has access to:
    • Amazon CloudWatch Logs
  • The triggers:
    • Nothing

• Write the code.

  The content of lambda_function.py file.

• Save the Lambda function.

  It deploys the Lambda function.

• Create and configure a Test event.

  Input JSON file content:

  {
    "first_name": "Peter",
    "last_name": "Parker"
  }

• Run the code.

  Run the code in an AWS lambda function using the test button.

• Test the AWS Lambda function.

  You should see the next message in the log:

  {
    "message": "Hello Peter Parker!"
  }