Using GCS Fuse

# Install gcloud

  export CLOUD_SDK_REPO="cloud-sdk-$(lsb_release -c -s)"
  echo "deb http://packages.cloud.google.com/apt $CLOUD_SDK_REPO main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
  curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
  apt-get -y update
  apt-get -y --allow-unauthenticated install google-cloud-sdk kubectl

# Install GCSFuse

  export GCSFUSE_REPO=gcsfuse-`lsb_release -c -s`
  echo "deb http://packages.cloud.google.com/apt $GCSFUSE_REPO main" | sudo tee /etc/apt/sources.list.d/gcsfuse.list
  curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -

  sudo apt-get update
  sudo apt-get install gcsfuse
  
# Create a GCS bucket

  gsutil mb -l us-central1 gs://bucket-secrets-x01/
  
# Mount the bucket

  mkdir /opt/bucket-secrets-x01
  gcsfuse bucket-secrets-x01 /opt/bucket-secrets-x01