Side-by-side comparison

CNCF-graduated self-hosted registry with RBAC, vulnerability scanning, replication and image signing.

Concurrent, cache-efficient image builder behind docker build and buildx, with multi-platform support.

Daemonless tool for building OCI images from Dockerfiles or scripts; pairs with Podman in rootless CI.

Turns source code into reproducible OCI images without Dockerfiles; used by Heroku, Google Cloud and Paketo.