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Lambda Layers with Terraform

Simple demo application illustrating Lambda layers using LocalStack, deployed via Terraform.

Prerequisites

  • LocalStack
  • Docker
  • Terraform & tflocal
  • Python & pip
  • make

Installing

To install the dependencies:

make install

Running

Make sure that LocalStack is started:

LOCALSTACK_AUTH_TOKEN=... DEBUG=1 localstack start

Deploy the app locally and run a Lambda test invocation:

make run

You should see a success output in the terminal:

{"status": "success"}

... and your LocalStack container should contain output similar to this:

2024-05-17T15:46:22.870 DEBUG --- [et.reactor-1] l.s.l.i.version_manager    : [my-lambda-function-52785b61-d14d-4871-8074-d5ab5fc49bb1] REPORT RequestId: 52785b61-d14d-4871-8074-d5ab5fc49bb1	Duration: 20.65 ms	Billed Duration: 21 ms	Memory Size: 128 MBMax Memory Used: 128 MB	
2024-05-17T15:46:22.872 DEBUG --- [et.reactor-1] l.s.lambda_.provider       : Lambda invocation duration: 2230.03ms
2024-05-17T15:46:22.874  INFO --- [et.reactor-1] localstack.request.aws     : AWS lambda.Invoke => 200

License

This code is available under the Apache 2.0 license.