code: private void doDeploy(final Message<JsonObject> message) {
      String type = message.body().getString("type");
      if (type == null) {
        message.reply(new JsonObject().putString("status", "error").putString("message", "No deployment type specified."));
      } else {
        switch (type) {
          case "module":
            doDeployModule(message);
            break;
          case "verticle":
            doDeployVerticle(message);
            break;
          default:
            message.reply(new JsonObject().putString("status", "error").putString("message", "Invalid deployment type."));
            break;
        }
      }
    }
docs: Deploys a module or verticle.