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The Startup tab controls how your server boots. It exposes the variables and command defined by the egg your server was created from.

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Startup command

The full command Wings runs to launch your server. Variables in the command are expanded from the fields below - for example a FiveM egg’s command might look like:
The command itself is locked (only the egg defines it), but the variables it references are editable below.

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Variables

Each variable shows:
  • Name - human-readable label.
  • Description - what the variable does.
  • Input - the editable value. Validation rules (numeric, regex, required) come from the egg.
Common examples:
  • FiveM - FIVEM_LICENSE, SERVER_PROFILE, MAX_PLAYERS
  • Minecraft (Paper) - MINECRAFT_VERSION, BUILD_NUMBER, SERVER_JARFILE
  • Node.js app - MAIN_FILE, NODE_VERSION, AUTO_UPDATE
  • Python app - PY_FILE, PYTHON_VERSION, REQUIREMENTS_FILE
  • TeamSpeak - TS_VERSION, LICENSE_ACCEPTED

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Docker image

A dropdown of approved container images for this egg. Switching images is useful when:
  • A game ships a new version that needs a newer runtime.
  • You want to test against a different Node.js or Java version.
Changes take effect on the next start - not immediately. Restart the server to apply.
Changing variables and Docker images can break your server if you pick incompatible combinations (e.g. Java 8 image for a Minecraft 1.20 jar). Test changes with a backup in hand.