Is dynamodb-geo supported in lambda running Node?

Question

I'm trying to create a simple application following this article, but I cannot get my Node Lambda function to find the dynamodb-geo package.

Here is what I have:

const AWS = require('aws-sdk');
const ddbGeo = require('dynamodb-geo');

exports.handler = async (event, context) => {
  // Rest of the code here
};

And the error Lambda throws is:

START RequestId: 5d40d132-040f-447d-bd76-35c4cec0236a Version: $LATEST 2019-10-05T10:04:24.719Z undefined ERROR Uncaught Exception {"errorType":"Runtime.ImportModuleError","errorMessage":"Error: Cannot find module 'dynamodb-geo'","stack":["Runtime.ImportModuleError: Error: Cannot find module 'dynamodb-geo'"," at _loadUserApp (/var/runtime/UserFunction.js:100:13)"," at Object.module.exports.load (/var/runtime/UserFunction.js:140:17)","
at Object. (/var/runtime/index.js:45:30)"," at Module._compile (internal/modules/cjs/loader.js:778:30)"," at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)"," at Module.load (internal/modules/cjs/loader.js:653:32)"," at tryModuleLoad (internal/modules/cjs/loader.js:593:12)"," at Function.Module._load (internal/modules/cjs/loader.js:585:3)"," at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)","
at startup (internal/bootstrap/node.js:283:19)"]} END RequestId: 5d40d132-040f-447d-bd76-35c4cec0236a REPORT RequestId: 5d40d132-040f-447d-bd76-35c4cec0236a Duration: 1146.75 ms Billed Duration: 1200 ms Memory Size: 512 MB Max Memory Used: 35 MB Unknown application error occurred Runtime.ImportModuleError

Any clue on what could be happening?

ElFitz · Accepted Answer · 2019-10-07 14:23:46Z

1

The only included package on AWS Lambda is the aws-sdk package. Everything else (except standard node packages) needs to be packaged and uploaded with your code.

There are many tools to achieve this:

the AWS cli (see https://stackoverflow.com/questions/34437900...)
the Serverless framework
AWS Amplify
AWS CDK.

answered Oct 7, 2019 at 14:23

ElFitz

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Horatiu Jeflea · Accepted Answer · 2019-10-05 11:15:06Z

0

Have you installed the package?

Using npm or yarn: npm install --save dynamodb-geo or yarn add dynamodb-geo.

Doc: https://www.npmjs.com/package/dynamodb-geo

answered Oct 5, 2019 at 11:15

Horatiu Jeflea

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2 Comments

javag87 Over a year ago

Thank you for your sugestion. I'm running this project in a serverless environment. I cannot just install the package. You guided my investigation though, and I found out that actually AWS does not include that package in its runtime, and if I want to use it I need to upload it as part of the code.

Horatiu Jeflea Over a year ago

yes, you were missing the packages in your lambda. I suggest using serverless framework for deployment, so you can add dependecies easier serverless.com/framework/docs/providers/aws/guide/packaging

Doron Goldberg · Accepted Answer · 2022-02-09 06:01:20Z

0

You can use a Lambda layer in order to easily import external packages:

answered Feb 9, 2022 at 6:01

Doron Goldberg

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