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AWS SDK for JavaScript
Developer Guide

Loading Credentials in Node.js from a JSON File

You can load configuration and credentials from a JSON document on disk using AWS.config.loadFromPath. The path specified is relative to the current working directory of your process. For example, to load credentials from a 'config.json' file with the following content:

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{ "accessKeyId": <YOUR_ACCESS_KEY_ID>, "secretAccessKey": <YOUR_SECRET_ACCESS_KEY>, "region": "us-east-1" }

Use the following command:

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AWS.config.loadFromPath('./config.json');

Note

Loading configuration data from a JSON document resets all existing configuration data. Add additional configuration data after using this technique. Loading credentials from a JSON document is not supported in browser scripts.