Create a Cloud Function that triggers upon object addition to a bucket, checks the file dates, and moves files older than a week to Nearline storage.

Create a Cloud Function that triggers upon object addition to a bucket, checks the file dates, and moves files older than a week to Coldline storage.

Implement a lifecycle policy to transition objects older than a week to Coldline storage.

Implement a lifecycle policy to transition objects older than a week to Nearline storage.