Here some labs and info about how to publish solution based on containers to the Azure Marketplace:
https://microsoft.github.io/Mastering-the-Marketplace/container/
https://github.com/Azure/mtm-tech-enablement-labs/blob/main/container/index.md
This can be combined with Metered Billing for Azure Managed Applications – publishers can send the metering data to the AMA so meters get submitted by it – using AMA meters auth).
