The HyScale specification looks familiar to most developers/devops who have been doing development or deployment for some years as we wanted to create a spec that is intuitively understood and application-centric, while at the same time grows to support 80% of the use-cases out there. The spec is meant to also support K8s native elements such as sidecars, ingress, etc. We are also looking at the compose-spec to see if there is some convergence in the near/late future.
If so, I'll be jumping right on this - for me, Docker Compose (and Swarm) configs are easy to write, read and maintain. Compared to the swathes of config required for k8s, it's beautiful.
The HyScale spec schema itself is available at the companion repo here: https://github.com/hyscale/hspec