DOCKERCON21
Eligibility:
- For new or returning customers only (existing subscribers not eligible).
- Discount applies to either Docker Pro or Docker Team plans.
- The discount is only valid for the first 3 months if you choose the monthly plan.
Eligibility:
Yap 10gb per project
I note that the pull limit with either anonymously or with a free account is 100/200 image pulls per 6 hours, which probably will suffice to pull down a decent amount of stuff before you hit it.
GitLab's private container registry is completely free. Honestly, I would start there.