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Write Variables to Google Cloud Storage

index.js​

const functions = require('@google-cloud/functions-framework')
const { Storage } = require('@google-cloud/storage')

functions.http('endpoint', async (req, res) => {
  const { authorization } = req.headers

  // set a authorization header like this in the process module
  if (authorization !== 'Bearer TTYz6n6q7tu8MhBV7TCp') {
      res.sendStatus(403)
  } else {
    const vars = req?.body?.variables

    const storage = new Storage()
    await storage
      .bucket('insert bucket name')
      .file(`${Date.now()}.json`)
      .save(JSON.stringify(vars))

    res.setHeader('Content-type', 'application/json')
    res.send({})
  }
})

package.json​

{
  "name": "webservice_to_storage",
  "version": "1.0.0",
  "description": "WebService to Google Cloud Function to Google Storage Bucket",
  "private": true,
  "main": "index.js",
  "scripts": {
    "start": "npx functions-framework --target=endpoint --signature-type=http --port 8091"
  },
  "dependencies": {
    "@google-cloud/functions-framework": "^3.0.0",
    "@google-cloud/storage": "^6.9.0"
  }
}