🚀 AWS Lambda with S3 Trigger

📂 Automatically Trigger a Lambda Function When a File is Uploaded to S3

This is a simple example demonstrating how to use an AWS Lambda function that gets triggered whenever a file is uploaded to an S3 bucket, all running locally using LocalStack.

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🔧 What It Does

1. 🐳 Starts a LocalStack Docker container to emulate AWS services.
2. 🛢️ Creates an S3 bucket named tinyflix.
3. 🧾 Creates an IAM role that allows Lambda to assume execution permissions.
4. 📦 Packages the Lambda function code into a zip file for deployment.
5. 🚀 Deploys the Lambda function using the zipped package and assigned role.
6. 🔐 Grants S3 permission to invoke the Lambda function.
7. 🔁 Configures S3 event notifications to trigger the Lambda on file upload.
8. ✅ Tests the setup by uploading a file to the S3 bucket and checking the Lambda logs via Docker.

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📌 Requirements

• 🐳 Docker installed and running on your machine
• 🔁 LocalStack Docker image pulled (localstack/localstack)
• 🧰 AWS CLI and awslocal installed (pip install awscli-local)
• 📄 Your Lambda function code (e.g., main.py) in a local folder

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✨ Looks good to go!