Download image from S3 bucket to Lambda temp folder (Node.js)

Question

Good day guys.

I have a simple question: How do I download an image from a S3 bucket to Lambda function temp folder for processing? Basically, I nee

Answer 1

// Using NodeJS version 10.0 or later and promises

const fsPromise = require('fs').promises;

try {
    const params = {
        Bucket: 's3Bucket',
        Key: 'file.txt',
    };

    const data = await s3.getObject(params).promise();

    await fsPromise.writeFile('/tmp/file.txt', data.Body);

} catch(err) {
    console.log(err);
}