job "minecraft" {
  type = "batch"

	parameterized {
	  meta_required = ["mode", "image"]
    meta_optional = ["plugins"]
	}

  meta {
    plugins = ""
  }

  group "lobby" {
    count = 1

    network {
      mode = "bridge"
      port "minecraft" {
        to = 25565
      }
      dns {
        servers = ["172.17.0.1"]
      }
    }

    service {
      name = "minecraft"
      port = "minecraft"
      address_mode = "alloc"
      meta {
        mode = "${NOMAD_META_MODE}"
      }
      check {
        type = "tcp"
        interval = "5s"
        timeout = "1s"
      }
    }

    task "download-plugins" {
      driver = "docker"

      lifecycle {
        hook = "prestart"
        sidecar = false
      }

      config {
        image = "busybox"
        command = "sh"
        volumes = ["../alloc/data:/mnt"]
        args = [
          "-cxe",
          <<-EOF
          set -eu
          mkdir /mnt/plugins
          wget -P /mnt/plugins ${NOMAD_META_PLUGINS}
          EOF
        ]
      }
    }

    task "run" {
      driver = "docker"

      config {
        image = "${NOMAD_META_IMAGE}"
        force_pull = true
        ports = ["minecraft"]
        volumes = ["../alloc/data:/mnt"]
      }

      env {
        HOST_POSTGRES = "jdbc:postgresql://postgres.service.consul/scrow"
        HOST_NATS = "nats://nats.service.consul"
      }

      resources {
        cpu = 1000
        # we already limit memory using java args
      }
    }
  }
}