If you and your players are looking for a much harder gamemode, you can use hardcore mode to make this happen. While it is less popular than normal Rust, it's aimed towards Rust veterans who want a difficult challenge.
1. Open the File Manager
2. Navigate to /server/docker/cfg/
3. Right click server.cfg
and click Edit. If it does not yet exist, right click and create the file.
4. In the file, paste the following: gamemode.set hardcore
5. Restart the server and the server will switch to hardcore mode.