code: protected void findCreds() {
          if (System.getProperty(ACCESS_KEY) != null && System.getProperty(ACCESS_SECRET) != null) {
              accessKey = System.getProperty(ACCESS_KEY);
              secretKey = System.getProperty(ACCESS_SECRET);
          }
  
          else if (System.getenv(AWS_ACCESS_KEY) != null && System.getenv(AWS_SECRET_KEY) != null) {
              accessKey = System.getenv(AWS_ACCESS_KEY);
              secretKey = System.getenv(AWS_SECRET_KEY);
          }
      }
docs: "AWS_SECRET_ACCESS_KEY";