Both containerd and CRI-O know how to pull docker images and run them and Docker Images Manifest V2 and OCI image specification are almost the same, so we dont need to worry now.
But, if you want to know how to live without Docker I suggest you this video - How to live without Docker for developers - Part 1 | Migration from Docker to Buildah and Podman. Or just search Without Docker on YouTube.
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Both containerd and CRI-O know how to pull docker images and run them and Docker Images Manifest V2 and OCI image specification are almost the same, so we dont need to worry now.
But, if you want to know how to live without Docker I suggest you this video - How to live without Docker for developers - Part 1 | Migration from Docker to Buildah and Podman. Or just search Without Docker on YouTube.