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How to push a tar archive to private docker registry? The three tools I know of for working with registries without a docker engine are crane from Google, skopeo from RedHat, and regclient from myself The workflow that's needed is to extract the tar, push each layer and config, and then push the manifests OCI's distribution-spec includes details on the registry API, but realize that the authentication doesn't have a spec over there (at least
determine docker entrypoint of compressed flattened image crane flatten sha256:e78d228bddb78d9e26cebddbf17f3b0eab48078237f07d5b3e643d1b5658db5f crane seems to be a command line tool that is able to flatten docker images (crane flatten docs) How can I determine the entrypoint command of the flattened image ? And what user is used in the image?
Add remote tag to a docker image - Stack Overflow Like mentioned in other questions you don't need to pull whole image if you are using tools like buildx imagetools or crane Please add notice about this to your answer
Can I get an image digest without downloading the image? Similar to the question "What´s the sha256 code of a docker image?", I would like to find the digest of a Docker image I can see the digest when I download an image: $ docker pull waisbrot wait:l
Clone an image from a docker registry to another - Stack Overflow Is there a way to efficiently copy an image from a repository to another without using a docker client in between? Yes, there's a variety of tools that implement this today RedHat has been pushing their skopeo, Google has crane, and I've been working on my own with regclient Each of these tools talks directly to the registry server without needing a docker engine And at least with regclient
How can I list all tags for a Docker image on a remote registry? How can I list all tags of a Docker image on a remote Docker registry using the CLI (preferred) or curl? Preferably without pulling all versions from the remote registry I just want to list the t
Check if image:tag combination already exists on docker hub As part of a bash script, I want to check if a particularly docker image:tag combination exists on docker hub Also, it will be a private repository i e the pseudocode would be like: tag = some
Why digests are different depend on registry? - Stack Overflow I know of several tools for this, including go-containerregistry crane from Google, ORAS from Microsoft, skopeo from RedHat, and regclient regctl from myself In addition to preserving the digest, each of these tools is intelligent about only pulling layers that do not exist on the destination registry, and none of them need privileged access