services:
  syncthing:
    container_name: syncthing
    image: ghcr.io/syncthing/syncthing:2.0.15
    restart: unless-stopped
    hostname: ${HOSTNAME}
    environment:
      - PUID=${PUID}
      - PGID=${PGID}
    volumes:
      - ${APPDATA_PATH}/syncthing/data:/var/syncthing
    ports:
      - 8384:8384          # Web UI
      - 22000:22000/tcp    # TCP file transfers
      - 22000:22000/udp    # QUIC file transfers
      - 21027:21027/udp    # Local discovery broadcasts
    healthcheck:
      test: curl -fkLsS -m 2 127.0.0.1:8384/rest/noauth/health | grep -o --color=never OK || exit 1
      interval: 1m
      timeout: 10s
      retries: 3
    networks:
      - frontend

networks:
  frontend:
    external: true