What is the simplest way to self host a map that will serve as bakgrund to WMS data in Leaflet? I need nothing fancy, can do without deep zoom. The usage is wit

What is the simplest way to self host a map that will serve as bakgrund to WMS data in Leaflet? I need nothing fancy, can do without deep zoom. The usage is within an app so embedding in the app could be an option. I find the mapping landscape confusing.