How to use

ProcessEnv

function

in

1/process

const listBucket = async function () {
 var storage = new Storage();
 if (process.env.GCS_SERVICEACCOUNT_KEYFILE) {
  fs.readFile(process.env.GCS_SERVICEACCOUNT_KEYFILE, "utf8", function (
   err,
   data
  ) {
   if (err) throw err;
   storage = new Storage(data);
  });
 }
 const bucket = storage.bucket(process.env.GCS_BUCKET_NAME);
 const data = await bucket.getFiles();
 const f = data[0].reduce(getLatestFile);
 await f.download({ destination: "./latest.zip" });
 await fs.mkdir(tempDir, (err) => {
  if (err) console.log(err);
 });
 return unzipper.Open.file("./latest.zip")
  .then(function (d) {
   return d.extract({ path: path.join(__dirname, "temp"), concurrency: 10 });
  })
  .catch((err) => console.log(err));
}