The Easy Way to Create Serverless Applications on AWS Lambda with Python and Serverless Framework

AWS Lambda is a serverless computing service that allows you to run code without provisioning or managing servers. It supports various programming languages including Python, which is a popular choice for building serverless applications. In this blog post, we will learn how to create an AWS Lambda function using Python and deploy it using Serverless Framework.

Before we get started, make sure you have the following:

Let’s start by creating a new Lambda function using Python. We will be using the Serverless Framework to create and deploy the function. Serverless Framework is a powerful tool that helps you deploy serverless applications with ease.

This will create a new Serverless Framework project with the name my-service using the aws-python3 template.

This will create a new Serverless Framework project with the name my-service using the aws-python3 template.

Navigate to the my-service directory and open the handler.py file. This file contains the code that will be executed by your Lambda function.

This is a simple Lambda function that returns a JSON response with the message “Hello, World!”.

Now that we have created the Lambda function, we need to configure the Serverless Framework to deploy it to AWS.

This configuration file tells the Serverless Framework to deploy the hello function to AWS Lambda with the handler.hello function handler.

After that, the final structure for the directory:

This command will package and deploy your function to AWS Lambda.

This URL is the endpoint for your Lambda function.

Now that the function is deployed, we can test it using the endpoint URL.

Woohoo, give yourself a pat on the back! You are now an expert in creating AWS Lambda functions using Python and deploying them with the power of a Serverless Framework. With just a few simple steps, you have eliminated the hassle of managing servers and infrastructure, allowing you to focus on what you do best — writing code! So, take a moment to celebrate your accomplishment and get ready to revolutionize your application development with the magic of serverless Python.

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