Exporting for dedicated servers

If you want to run a dedicated server for your project on a machine that doesn't have a GPU or display server available, you'll need to use a server build of Godot.

Platform support

If your project uses C#, you'll have to use a Mono-enabled server binary.

"Headless" versus "server" binaries

The server download page offers two kinds of binaries with several differences.

  • Server: Use this one for running dedicated servers. It does not contain editor functionality, and is therefore smaller and more optimized.
  • Headless: This binary contains editor functionality and is intended to be used for exporting projects. This binary can be used to run dedicated servers, but it's not recommended as it's larger and less optimized.

Exportieren einer PCK Datei

There are two ways to export a project for a server:

  • Create a Linux/X11 export preset, define a custom Release export template that points to the server binary then export the project as usual.
  • Export a PCK file only, preferably from a Linux/X11 export preset.

Both methods should result in identical output. The text below describes the PCK file approach.

Once you've downloaded a server binary, you should export a PCK file containing your project data. After creating the export preset, click Export PCK/ZIP at the bottom of the Export dialog then choose a destination path. The Export With Debug checkbox in the file dialog has no bearing on the final PCK file, so you can leave it as-is.

See Projekte exportieren for more information.

Bemerkung

If you're exporting the project from a headless editor, call the headless editor with the --export-pack option while in the project folder to export only a PCK file.

Bemerkung

The PCK file will include resources not normally needed by the server, such as textures and sounds. This means the PCK file will be larger than it could possibly be. Support for stripping unneeded resources from a PCK for server usage is planned in a future Godot release.

On the bright side, this allows the same PCK file to be used both by a client and dedicated server build. This can be useful if you want to ship a single archive that can be used both as a client and dedicated server.

Preparing the server distribution

After downloading or compiling a server binary, you should now place it in the same folder as the PCK file you've exported. The server binary should have the same name as the PCK (excluding the extension). This lets Godot detect and use the PCK file automatically. If you want to start a server with a PCK that has a different name, you can specify the path to the PCK file using the --main-pack command-line argument:

./godot-server --main-pack my_project.pck

Next steps

On Linux, to make your dedicated server restart after a crash or system reboot, you can create a systemd service. This also lets you view server logs in a more convenient fashion, with automatic log rotation provided by systemd.

If you have experience with containers, you could also look into wrapping your dedicated server in a Docker container. This way, it can be used more easily in an automatic scaling setup (which is outside the scope of this tutorial).