A gopher’s journey to the center of container images

• oc-mirror

  2 78 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.

• buildah

  25 7,003 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.

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• image

  4 823 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

  17 2,949 7.3 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.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

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