private void brightenAndUpload()

in src/main/java/com/company/demoapplication/ImageProcessor.java [122:136]


        private void brightenAndUpload(File file, String uploadFileName) {
            try {
                File brightened = File.createTempFile("bright-" + Instant.now().toString() + uploadFileName, null);
                BufferedImage dest = ImageEditor.brightenImage(ImageIO.read(file));
                ImageIO.write(dest, "PNG", brightened);
                PutObjectResult res = upload(
                        brightenFolder + uploadFileName + Instant.now().toString(),
                        brightened
                );
                res.getContentMd5();
                deleteFile(brightened);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }