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AWS Elastic Beanstalk
Developer Guide (API Version 2010-12-01)

Installing Packages with a Package.json File

Use a package.json file in the root of your project source to use npm to install packages that your application requires.

Example package.json – Express

{ "name": "my-app", "version": "0.0.1", "private": true, "dependencies": { "ejs": "latest", "aws-sdk": "latest", "express": "latest", "body-parser": "latest" }, "scripts": { "start": "node app.js" } }

When a package.json file is present, Elastic Beanstalk runs npm install to install dependencies.