Creating Your First Lambda Function (opens in new tab)

So you want to build your first serverless function? Let's do it. No fluff, no detours — just you, AWS SAM, and a working Lambda function running on your machine in minutes. We're not even going to deploy to AWS yet. Let's just get it working locally first. What You'll Need Two things: AWS SAM CLI installed — SAM (Serverless Application Model) is the tool we'll use to create, build, and test our function. Follow the install guide for your operating system. Docker or Finch installed — SAM uses...