The Influence of the Open Container Initiative (OCI)

Around the same time that Docker, Inc. was refactoring the Engine, the OCI was in the process of defining two container-related standards:

1. Image specification (image-spec)
2. Runtime specification (runtime-spec)

Both specifications were released as version 1.0 in July 2017 and are still vital today. They’ve even added a third specification, the distribution specification (distribution-spec), governing how images are distributed via registries.

At the time of writing, the runtime-spec is at version 1.1.0, the image-spec is at ...