I set up a very straightforward Godot dev environment yesterday using toolbox which is built on top of rootless Podman.

• Create a new fedora toolbox
• Enter toolbox
• Install DotNet dependencies, git, etc with dnf
• Install Godot binary from release page
• Turns out there were other dependencies I needed
• Godot wanted a few Wayland libs on the container, so I installed Weston (maybe overkill)
• Godot wanted libxrandr so I added that too
• Godot just works ™

The nice thing about toolbox is that it uses my native host Wayland compositor. So whatever I have running in the toolbox can be interacted normally through sway (my host WM).

You can either distribute a container image with your given toolbox configured, or just document the setup steps.