migrate mongoDB to S3 / R2 nodejs example

This is an example for mongodb GridFS bucket data stream upload to S3 or R2.

Usage

1. get your ACCOUNT_ID, ACCESS_KEY_ID, ACCESS_KEY from S3 ro R2.
2. reset .env by .env.example.
3. see app.js and apply it.

package.js

"dependencies": {
    "@aws-sdk/client-s3": "^3.342.0",
    "@aws-sdk/lib-storage": "^3.342.0",
    "dotenv": "^16.1.3",
    "mongodb": "^5.5.0"
  }