# Open Container Initiative (OCI) Initiated by Docker Inc. in 2015 - Specifications - Runtime Specification - Image Specification - By implementing the specs, it's possible to create OCI-compatible container images and container runtimes that are compatible with each other - Container Runtime Interfaces (CRI) - Based on the OCI runtimes and abstract them - Examples of CRIs - dockershim: OCI wrapper for the original Docker Engine - containerd: New implementation of Docker's Container Runtime Interface - Kubernetes Container Runtime Interface (CRI-O) - Examples of OCI images - Docker - Buildah - Kaniko - [[Podman]] - ![[20220604074706 docker containerd oci runc container.png]]