please add this modpack on your server modpack list, it's complete and full of things to do
it's an hardcore modpack and it is very hard
https://www.curseforge.com/minecraft/modpacks/crash-landing
i'm waiting for this for years
the map it's not complicated to upload, you just have to download the map and add it to the server
i tried to do that with "galactic science" modpack and it work!