How to install/use Ruby gems in an AWS Lambda function?

Question

AWS Lambda has support for Ruby 2.5, and it's straightforward to run a simple Ruby script in this environment

However, suppose your script requires some gems, how do you install and use gems in AWS Lambda?

bwest · Accepted Answer · 2019-03-20 03:44:12Z

4

Install the gems into the project folder by using the --path flag when running bundle install. Then include the installed dependencies in your .zip.source bundle. There are docs on creating a Ruby bundle.

Another option would be to create a lambda layer, which can make your deploys faster (smaller zip file) and be used to organize your code.

edited Mar 20, 2019 at 3:44

answered Mar 20, 2019 at 3:37

bwest

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