Google Cloud Storage - TTL and CORS settings
September 2021

Documentation explaining how to set CORS and TTL for a storage bucket.

Create a JSON file with something like this:

[{
  "origin": ["..."],
  "method": ["GET", "PUT"],
  "responseHeader": ["Content-Type"],
  "maxAgeSeconds": 300
}]
gsutil cors set cors.json gs://johnmathews.is
gsutil cors get gs://johnmathews.is | jq