version: '2.4'

services:
  # Uncomment the service below to expose the socket on the network.
  # On balenaOS devices, this will probably be done by the OS and the
  # access controlled via the firewall
  # helios-api:
  #   build: ./
  #   image: helios
  #   command: socat TCP-LISTEN:80,reuseaddr,fork UNIX-CONNECT:/tmp/run/helios.sock
  #   ports:
  #     - 48484:80
  #   depends_on:
  #     - helios
  #   volumes:
  #     - runtime:/tmp/run
  #   healthcheck:
  #     test: ['CMD', 'wget', '-O', '-', '-q', 'http://127.0.0.1/ping']

  helios:
    build: ./
    image: helios
    restart: on-failure
    labels:
      # Needed to get access to supervisor api variables
      # and credentials
      io.balena.features.supervisor-api: '1'
      # Needed for access to DOCKER_HOST
      io.balena.features.balena-socket: '1'
      # Needed to stop the supervisor service
      io.balena.features.dbus: '1'
      # Needed to get access to the API credentials
      io.balena.features.balena-api: '1'
    environment:
      - DBUS_SYSTEM_BUS_ADDRESS=unix:path=/host/run/dbus/system_bus_socket
      # Needed for locks and balenahup. This needs to match the device
      # used for the `runtime` volume
      - BALENA_HOST_RUNTIME_DIR=/tmp
    volumes:
      # Critical configurations
      - config:/config/helios
      # Request caching
      - cache:/cache/helios
      # Persistent system state data that can be reconstructed from
      # the target state
      - state:/local/helios
      # Runtime directory. Data here does not persist reboots
      - runtime:/tmp/run

volumes:
  config:
  state:
    labels:
      # the database version, can be bumped to re-create the state
      io.balena.private.db-version: 0
  cache:
  runtime:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /tmp