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[Feature] Support OCI registries for packages #123

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opened 2025-12-30 01:21:10 +01:00 by adam · 3 comments
adam commented 2025-12-30 01:21:10 +01:00
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Originally created by @eli-xciv on GitHub (Mar 21, 2024).

It would be nice to be able to store packages in and use packages from an OCI registry.

This issue/request is to support the oci:// URI in addition to package:// for dependencies.

As for OCI artifacts and layer media types, pkl could adopt vendor based media types for each layer, if each generated artifact was added as a separate layer, such as
application/vnd.apple.pkl.metadata.v1.xml for the metadata artifact
application/vnd.apple.pkl.metadata.v1.checksum_sha256 for the metadata checksum
application/vnd.apple.pkl.package.v1.zip for the actual package artifact
and
application/vnd.apple.pkl.package.v1.checksum_sha256 for the package checksum

This would possibly also require a change to the pkl-cli to add a flag to dictate how the package will be build (default | OCI)

Originally created by @eli-xciv on GitHub (Mar 21, 2024). It would be nice to be able to store packages in and use packages from an OCI registry. This issue/request is to support the `oci://` URI in addition to `package://` for dependencies. As for OCI artifacts and layer media types, pkl could adopt vendor based media types for each layer, if each generated artifact was added as a separate layer, such as `application/vnd.apple.pkl.metadata.v1.xml` for the metadata artifact `application/vnd.apple.pkl.metadata.v1.checksum_sha256` for the metadata checksum `application/vnd.apple.pkl.package.v1.zip` for the actual package artifact and `application/vnd.apple.pkl.package.v1.checksum_sha256` for the package checksum This would possibly also require a change to the `pkl-cli` to add a flag to dictate how the package will be build (default | OCI)
adam commented 2025-12-30 01:21:10 +01:00
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@bioball commented on GitHub (Mar 21, 2024):

We've thought about this! It's also how CUE and KCL decided to distribute their packages.

This is somewhat compelling; something that package: is missing right now is some sort of index. OCI registries solve that problem for us.

But, I think we need some more time to understand the trade-offs of our current package model before adding any changes here.

@bioball commented on GitHub (Mar 21, 2024): We've thought about this! It's also how CUE and KCL decided to distribute their packages. This is somewhat compelling; something that `package:` is missing right now is some sort of index. OCI registries solve that problem for us. But, I think we need some more time to understand the trade-offs of our current package model before adding any changes here.
adam commented 2025-12-30 01:21:10 +01:00
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@bvalyou commented on GitHub (Apr 9, 2024):

Since I'm looking at using Pkl as a replacement for Helm, being able to reuse our Helm registry for Pkl packages is something of a requirement. Currently considering using oras and some jank around local packages once they're downloaded to work around this for now.

@bvalyou commented on GitHub (Apr 9, 2024): Since I'm looking at using Pkl as a replacement for Helm, being able to reuse our Helm registry for Pkl packages is something of a requirement. Currently considering using [oras](https://oras.land/docs/quickstart) and some jank around local packages once they're downloaded to work around this for now.
adam commented 2025-12-30 01:21:11 +01:00
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@eli-xciv commented on GitHub (Nov 5, 2024):

@bioball Just checking back in to see if you all have been able to have any conversations around packaging and possible support for this.

Thanks for any info!

@eli-xciv commented on GitHub (Nov 5, 2024): @bioball Just checking back in to see if you all have been able to have any conversations around packaging and possible support for this. Thanks for any info!
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Reference: starred/pkl#123