{
  "APP_ENV": "testing",
  "MQTT_HOST": "test.mqtt",
  "MQTT_PORT": "1234",
  "MQTT_IDENTIFIER": "testing-mqtt",
  "MQTT_USERNAME": "test-user",
  "MQTT_PASSWORD": "super-secret",
  "LOG_LEVEL": "debug",
  "MQTT_VERSION": "5.0"
}