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README.md

LocalStack Demo: Lambda Layers

Simple demo application illustrating Lambda layers using LocalStack, deployed via the Serverless framework.

Prerequisites

  • LocalStack
  • Docker
  • Node.js / npm
  • 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:

{
    "StatusCode": 200
}

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

>START RequestId: ba4efc87-7bf9-1705-9f45-8e84ba8eb071 Version: $LATEST
> 2019-10-23T14:25:12.709Z	ba4efc87-7bf9-1705-9f45-8e84ba8eb071	INFO	This text should be printed in the Lambda
> END RequestId: ba4efc87-7bf9-1705-9f45-8e84ba8eb071
> REPORT RequestId: ba4efc87-7bf9-1705-9f45-8e84ba8eb071	Duration: 22.65 ms	Billed Duration: 100 ms	Memory Size: 1536 MB	Max Memory Used: 42 MB

License

This code is available under the Apache 2.0 license.