How to build a Lambda function that is triggered by S3

📰 Dev.to · Kaemon Lovendahl

Learn to build a Lambda function triggered by S3, enabling instant reactions to file uploads without server management

intermediate Published 3 Jun 2025
Action Steps
  1. Create an S3 bucket using the AWS Management Console
  2. Configure bucket notifications to trigger a Lambda function
  3. Build a Lambda function using a programming language like Node.js or Python
  4. Test the Lambda function by uploading a file to the S3 bucket
  5. Verify the function's execution and check the logs for any errors
Who Needs to Know This

This benefits DevOps and software engineering teams by automating tasks and improving efficiency, as they can focus on other tasks while the Lambda function handles file uploads

Key Insight

💡 Use AWS Lambda and S3 to automate tasks and improve efficiency by triggering functions instantly when files are uploaded

Share This
🚀 Automate tasks with AWS Lambda + S3! Trigger functions instantly when files land in a bucket 📈

Key Takeaways

Learn to build a Lambda function triggered by S3, enabling instant reactions to file uploads without server management

Full Article

Need to react the instant a file lands in a bucket without babysitting a server? AWS Lambda + Amazon...
Read full article → ← Back to Reads