in src/main/java/com/company/demoapplication/TaskPublisher.java [57:63]
private static List<String> listImagesOnS3() {
List<S3ObjectSummary> images = Main.s3Client().listObjectsV2(new ListObjectsV2Request().withBucketName(Main.bucketName).withPrefix(Main.sampleImagesFolder)).getObjectSummaries();
return images.stream()
.filter(summary -> !summary.getKey().trim().equals(Main.sampleImagesFolder))
.map(summary -> summary.getKey().trim())
.collect(Collectors.toList());
}