Google cloud function deployment with protobot

index.js

const { createProbot } = require('probot');

async function dec() {
  const kms = require('@google-cloud/kms');
  const client = new kms.KeyManagementServiceClient();

  const ciphertext = "asdadkjasdCASDASdlkjasdasd11";
  const name = 'projects/PROJECT-ID/locations/global/keyRings/KEY-NAME/cryptoKeys/CRYPTO-NAME';
  const [result] = await client.decrypt({name, ciphertext});
  return result.plaintext.toString('ascii');
}

appFn = app => {
  console.log('Yay, the app was loaded!')

  app.on('issues.opened', async context => {
    const params = context.issue({ body: 'Hello World!' })

    // Post a comment on the issue
    return context.github.issues.createComment(params)
  })
}

serverless = (apps, options) => {
    return () => dec().then(function(sec) {
      const opts = {
        id: 11111,
        secret: sec,
        cert: ""
      };

      const probot = createProbot(opts)
      apps = [].concat(apps) //  Coerce to array
      apps.forEach(a => probot.load(a))
      return probot.server
   })
}

exports.protobot = serverless(appFn)