services:
  support-bot-light:
    build:
      # The repository root: the image is built from the Haskell core and the
      # Python library in this tree, neither of them released.
      context: ../..
      dockerfile: apps/simplex-support-bot-light/Dockerfile
      args:
        # Defaults to 1000. Set both to your own ids to own ./state yourself.
        USER_UID: ${USER_UID:-1000}
        USER_GID: ${USER_GID:-1000}
    # Bounded on purpose. A config that will not load is not fixed by retrying,
    # and an unbounded policy turns it into a log flood that also makes Ctrl+C
    # wait out the grace period. Five is enough to ride out a transient fault.
    restart: on-failure:5
    volumes:
      # Directory, not a single file: bot.image resolves relative paths against
      # the directory holding config.toml.
      - ./bot-config:/etc/support-bot-light:ro
      # Holds the bot's identity, address, roster group and roster. Deleting it
      # means a new address and every roster member redoing the handshake.
      - ./state:/data
    stop_grace_period: 10s
    ports:
      # GET /health. Published on the host loopback because the endpoint has no
      # authentication; widen it only for a monitoring system that needs it.
      - "127.0.0.1:7777:8080"