multer-google-storage

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Hi, I noticed that when you create a new storage provider the keyFilename must contain the path to the json key file in GCP. I wanted to let you know that this key file is not mandatory. If you run your service (App engine, Cloud run for instance) on GCP then you can grant a role to the service account so it can access GCS without sending the key file.

If you use the getSignedUrl in your code then you need to grant the Service Account Token Creator in addition to the GCS roles

Thanks.

This basically makes the code unusable to be. Shame.