A gopher’s journey to the center of container images

• oc-mirror

  2 88 8.9 Go

  Lifecycle manager for internet-disconnected OpenShift environments

  

  All this changed when I started contributing to oc-mirror, around a year ago. oc-mirror is a plugin of OpenShift's CLI, and targets disconnected clusters. It mirrors all images needed by such clusters in order to install and upgrade OpenShift as well as all its Day-2 operators from operator catalogs. Suddenly, the underground world of containers unraveled.

• SaaSHub

  www.saashub.com featured

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

• buildah

  28 7,336 9.6 Go

  A tool that facilitates building OCI images.

  

  For the task of building the graph image, my first idea was to rely on buildah. In fact, our design was already heavily relying on containers/image for all things regarding copying images from one registry to the other, or from one registry to an archive. The obvious choice was to use the same suite of modules in order to keep dependencies to a minimum.

• image

  4 862 9.7 Go

  Work with containers' images (by containers)

  

  For the task of building the graph image, my first idea was to rely on buildah. In fact, our design was already heavily relying on containers/image for all things regarding copying images from one registry to the other, or from one registry to an archive. The obvious choice was to use the same suite of modules in order to keep dependencies to a minimum.

• graph-data-image-builder

  1 1 4.2 Go

  POC using buildah to build graph-data image for OSUS

  All the code is available here.

• go-containerregistry

  18 3,091 6.8 Go

  Go library and CLIs for working with container registries

  

  I also explored another module, go-containerregistry, in order to build images without root privileges. The approach is completely different, and we can manipulate each component of the container image separately. This can present an advantage, if you're looking for a way to fine tune things.

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