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# Source: https://github.com/itzg/mc-router/blob/main/examples/docker-autoscale/compose.yml
# This is a verbose example with comments and explanations for configuring auto-scaling behavior
# for Docker backend servers. See compose-minimal.yml for a simple minimal example.
services:
router:
image: itzg/mc-router
environment:
IN_DOCKER: true
# Global auto-scaling settings for all docker-backend servers
# Settings can be overridden per-backend using labels
# as shown in the backend services below (except for AUTO_SCALE_DOWN_AFTER which is global only)
# Enable auto-scaling down after inactivity for all backends by default
AUTO_SCALE_DOWN: true
# Enable auto-scaling up after player join for all backends by default
AUTO_SCALE_UP: true
# Time of inactivity after which to scale down (default: 10m) - Global only setting
AUTO_SCALE_DOWN_AFTER: 2h
# MOTD to show when server is asleep (default: empty string - don't show MOTD, show server offline instead)
AUTO_SCALE_ASLEEP_MOTD: "Server is asleep. Join again to wake it up!"
ports:
- "25565:25565"
volumes:
- /var/run/docker.sock:/var/run/docker.sock:ro
vanilla:
image: itzg/minecraft-server
environment:
EULA: "TRUE"
labels:
# If global auto scaling settings are enabled, this backend will
# auto-scale without any additional auto-scale related configuration
mc-router.host: "vanilla.example.com"
fabric:
image: itzg/minecraft-server
environment:
EULA: "TRUE"
TYPE: FABRIC
labels:
mc-router.host: "fabric.example.com"
# Disable auto-scaling for this backend specifically
mc-router.auto-scale-up: false
mc-router.auto-scale-down: false
paper:
image: itzg/minecraft-server
environment:
EULA: "TRUE"
TYPE: PAPER
labels:
mc-router.host: "paper.example.com"
# Override asleep MOTD for this backend
mc-router.auto-scale-asleep-motd: "Paper is folded. Join to unfold!"