Palworld
Before you start
World Saves
Your world saves will be stored in the path ./user
if you use the provided docker-compose.yml
.
You can find the Server Config in the Config subfolder and your saved game in the SaveGames subfolder.
This will allow you to download/backup/move files around at your leisure.
All of these files can be found and edited in the server's local storage path.
./peon/servers/[game_uid]/[server_name]/
Stand-alone mode
Or... just use PEON. it should do all the heavy lifting for you.
Links
If you want to dig a bit deeper, here are the links