Comment by lstamour
6 years ago
Publishing containers to GitHub might be free but you have to login to GitHub to download the containers from free accounts, significantly hampering end-user usability compared to Docker Hub, particularly if 2FA authentication is enabled on a GitHub account. As mentioned elsewhere Quay.io might be another alternative.
We (the GitHub Packages team where I work) are working on a fix for this and a number of issues with the current docker service. You can join the beta too, details here https://github.com/containerd/containerd/issues/3291#issueco...
You don't need to register an SSH key to download a public repo I thought
Not an SSH key, but you do need an access token:
> You need an access token to publish, install, and delete packages in GitHub Packages.
https://docs.github.com/en/packages/using-github-packages-wi...
...but not to download. You can clone a repo and download release artifacts without a PAT. That's only necessary for interacting with the API for actions that need authentication, which would be anything involving mutating a repository.
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GitHub access tokens are a bit of a nightmare since you can't limit the permissions for a token. Only workaround I've found is to create another GitHub user for an access token and restrict that user's access.