Many a time you will need to upload a world file to your server, this guide is here to help you on this. The last step can depend if you want more than 1 world or just the singular base world.

Now that the details are all clear, the tutorial part begins from below:

1. Firstly download the world zip file

2. Upload this zip file to your server by dragging the .zip folder! If you world is over 100mb, it is recommended to use sFTP to properly upload files with no issues. (If you do not know how sFTP works, try this SFTP)

3. Upload it in the directory /home/container, where your home directory usually is.

4. Extract the folder to the same directory by simply left clicking the 3 dots beside the newly added file and clicking on the unarchiving button.

5. And finally, you can load this world in by setting the level-name in the server.properties file to the folder name.

                                       Alternative Method( For more than 1 World File)
   

6. If you are using a multiverse plugin, do not change the server.properties folder. Directly load it through the commands from the plugin.

                                       Congratulations you are done, Enjoy your server.