const AWS = require('aws-sdk')
const s3Params = {
Bucket: process.env.AWS_S3_BUCKET
}
const s3 = AWS.S3({
accessKeyId: process.env.AWSAccessKeyId as string,
secretAccessKey: process.env.AWSSecretKey as string,
params: {
...s3Params
}
})
s3.upload({
Body: file, // Buffer
Key: ' path/to/file.png'
}, (err, data) => { // Finished })