public PostgreSQLContainer() {
    this("postgres:9.6.12");
  }

  public PostgreSQLContainer(String dockerImageName) {
    super(dockerImageName);
    this.databaseName = "test";
    this.username = "test";
    this.password = "test";
    this.waitStrategy = (new LogMessageWaitStrategy()).withRegEx(".*database system is ready to accept connections.*\\s").withTimes(2).withStartupTimeout(Duration.of(60L, ChronoUnit.SECONDS));
  }