Docker images are pretty much the standard for on-premise SaaS products. Consider Replicated (https://help.replicated.com/categories/getting-started/ https://he

Docker images are pretty much the standard for on-premise SaaS products. Consider Replicated (https://help.replicated.com/categories/getting-started/ https://help.replicated.com/categories/getting-started/) or Gravitational Telekube (https://gravitational.com/docs/overview/ https://gravitational.com/docs/overview/) for packaging and management.