services:
  tailscale:
    build:
      context: ./image/
    container_name: tailscale
    environment:
      TS_AUTHKEY: ${TS_AUTHKEY:?err} # from https://login.tailscale.com/admin/settings/authkeys
      TS_HOSTNAME: ${TS_HOSTNAME:-ts-docker}
      TS_STATE_DIR: "/var/lib/tailscale/" # store ts state in a local volume
      TS_TAILSCALED_EXTRA_ARGS: ${TS_TAILSCALED_EXTRA_ARGS:-} # optional extra args to pass to tailscaled
      TS_EXTRA_ARGS: ${TS_EXTRA_ARGS:-} # optional extra flags to pass to tailscale up
      TS_SERVE_PORT: ${TS_SERVE_PORT:-} # optional port to proxy with tailscale serve (ex: '80')
      TS_FUNNEL: ${TS_FUNNEL:-} # if set, serve publicly with tailscale funnel
    volumes:
      - ./ts_data:/var/lib/tailscale/
  myservice:
    image: nginxdemos/hello
    network_mode: "service:tailscale"