Making public Minecraft server

can someone teach me how to create a server like donut smp for free or make me one completely free please and thank you if you make me one your the best I want a crate every hour with 30m timer between you can win money spawners or other better crate keys I was a owner tag next to my name and yours because you helped make it I want /sell with fair prices for every item i want it Java and bedrock and I want it named [sleepysmp.net](http://sleepysmp.net) i want /ah auction house /orders go on donut and get that exact format and /settings get that I was to have a button in /settings to turn on and off cords make spawners not so easy to find you can get them from crates rarely blaze being the best blaze rods sell for a lot of you have a lot so any help would be amazing I can give you my discord if your willing to make it for me I want skeleton spawner zombie spawner spider and I want /sell and /shop with crystal PvP gear like old donut if you don’t know search up old donut smp shop