AWS Lambda: Unable to import module

Question

please forgive me, I am totally new at Lambda and Node.

I am trying to replicate this git to order a pizza using an AWS IoT button.

My current code is:

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Answer 1

In our case, it is neither path or permission issue. We got this error because we do npm prune --production before we deploy, and we have some runtime packages that is incorrectly placed under devDependencies which get wiped out during that phase. Unfortunately the lambda only gives a vague error message.