AWS CDK Tutorial in Python | Deploy Lambda from S3 Step-by-Step (Beginner Friendly)

Published: 04 September 2025
on channel: Lets Learn With JIT
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Want to learn how to deploy an AWS Lambda function using AWS CDK in Python?
In this video, I’ll walk you through step-by-step: from setting up your local environment to deploying a Lambda function whose ZIP code package is already stored in an S3 bucket.

Prerequisite:
      1) Programming language setup at local machine
      2) Free tier AWS account
      3) Node.Js and NPM should be installed in local machine
4) AWS CLI

Steps:
      1) Configure AWS in local machine
            aws configure
      2) Install aws-cdk
            npm install -g aws-cdk
      3) Verify successful installation
            cdk --version
      4) Create a CDK Project
            cdk init app --language python
      5) Open project in VSCode
      6) Add your code
      7) Bootstrap your AWS environment
            cdk bootstrap
      8) Build your CDK application code
            Not needed in case of Python
      9) Synthesize a CloudFormation template
            cdk synth
      10) Deploy your CDK stack
            cdk deploy
      11) Delete your application
            cdk destroy

GitHub link: https://github.com/jksnu/aws_cdk_poc1...


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