That’s been the case for years now. No sane company runs production workloads on Docker or Docker compose. There’s niche solutions like Hashicorps Nomad or Docker Swarm, but most will probably either use a Hyperscalers container offering and/or use Kubernetes.
Huh? Nearly every editor can do this. For work, I use Visual Studio Code for that, maybe you additionally need a Markdown Extension, but I’m pretty sure it works out of the box.