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Minimal project to get up and running on AWS lambda and pipenv

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hello-lambda

Minimal project to get up and running on AWS lambda with Python 3.6 and pipenv.

Quickstart

The main commands are wrapped using a very simple Makefile. I believe it doesn't work on Windows but I don't have a window machine to care enough. If you feel like adding that, feel free to send me a pull request.

Install

The first time only:

  • make install: Create a virtual environment and install dependencies using pipenv

Test locally

  • make run: call the lambda handler using pipenv run

Build

  • make build: Collect dependencies and entry point script into a deployment package By default, it'll be a deliverable.zip in the root of the project.

    The target is customisable and may be provided on the command line:

    make build OUT_FILE=outfile.zip
    

Upload and Deploy

  • Go to your AWS account, in the "Lambda" section
  • Click "Create a function" > "Author from scratch" > Configure triggers page: Click "Next"
  • Give a name & description, choose Python 3.6 runtime
  • Select "Upload a ZIP file" and choose the delivrable in the file picker
  • Set the Handler to hello_lambda.lambda_handler (or more generally <script_name>.<function_name>)
  • Select/create an AWS Role, click "Next"
  • Review all the details and confirm creation
  • Run it!

Next steps

  • Add any third party package you might need using pipenv install ...
  • To deploy, run the build script and re-upload the ZIP file
  • Settings can be added as environment variables in AWS
  • Triggers can be configured to run your function: API gateway, Alexa, Cloudwatch, SNS, ...

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