# Raspberry Pi 5 (arm64).
#
# The arm64 headless build currently ships on the experimental channel only —
# see the README. Pin a version tag once you have one you like rather than
# tracking :experimental indefinitely, so an upstream change cannot break a
# running server unattended.

services:
  factorio:
    image: ghcr.io/aconti90/factorio-headless:experimental
    container_name: factorio
    restart: unless-stopped

    ports:
      - "34197:34197/udp"
      - "127.0.0.1:27015:27015/tcp"   # RCON bound to loopback only

    volumes:
      - ./data:/factorio

    environment:
      NAME: "Pi Factorio"
      RCON_PASSWORD: "${RCON_PASSWORD:?set RCON_PASSWORD in .env}"
      PUID: 1000
      PGID: 1000

      # Keep the world simulating while nobody is connected, so the factory
      # keeps producing between check-ins.
      AUTO_PAUSE: "false"

      # Autosaves are the main source of SD-card write amplification; 15 minutes
      # with a few slots is a reasonable compromise. Point ./data at an SSD or
      # NVMe HAT if you have one.
      AUTOSAVE_INTERVAL: 15
      AUTOSAVE_SLOTS: 3
      NON_BLOCKING_SAVING: "true"

    stop_grace_period: 2m
    mem_limit: 3g