def setUp(self):
        self.service = 'my_db'
        self.service_ip = '172.18.0.23'

        self.nport = 3306
        self.sport = 'mysql'
        self.service_port = 27384

        self.secret = 'my_secret'
        self.secret_value = 'value'

        os.environ.update(
            dict(
                MY_DB_PORT_3306_TCP_ADDR=self.service_ip,
                MY_DB_PORT_3306_TCP_PORT=str(self.service_port),
                MY_DB_ENV_MY_SECRET=self.secret_value,
            ))

        self.r = EnvironmentRegistry()