On a brand new DO Ubuntu server, the first pull fails.
root@my:~# TOKEN=$(curl "https://auth.docker.io/token?service=registry.docker.io&scope=repository:ratelimitpreview/test:pull" | jq -r .token)
curl --head -H "Authorization: Bearer $TOKEN" https://registry-1.docker.io/v2/ratelimitpreview/test/manifests/latest
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 5429 0 5429 0 0 17471 0 --:--:-- --:--:-- --:--:-- 17512
HTTP/1.1 200 OK
content-length: 527
content-type: application/vnd.docker.distribution.manifest.v2+json
docker-content-digest: sha256:c2d41d2ba6d8b7b4a3ffec621578eb4d9a0909df29dfa2f6fd8a2e5fd0836aed
docker-distribution-api-version: registry/2.0
etag: "sha256:c2d41d2ba6d8b7b4a3ffec621578eb4d9a0909df29dfa2f6fd8a2e5fd0836aed"
date: Sat, 14 Dec 2024 15:41:35 GMT
strict-transport-security: max-age=31536000
ratelimit-limit: 100;w=21600
ratelimit-remaining: 0;w=21600
docker-ratelimit-source: 2604:a880:2:d1::
