migrateData.js

const Bagel = require('@bageldb/bagel-db')

const dev = new Bagel(process.env.DEV_TOKEN) // needs write access
const prod = new Bagel(process.env.PROD_TOKEN) // must have read access

// mark the collections you want to copy (ensure the tokens have the right permissions)
const collections =[
  // "clients", "testimonials", ...
] 

const cloneProd = async () => {
  for (const collection of collections) {
    const {data} = await prod.collection(collection).everything().get()
    await Promise.all(data.map(async (item) => dev.collection(collection).item(item._id).set(item)))
  }
}

cloneProd()