CSVExchanger - allows users to upload file with .csv extention and store it by each line into H2 DB (Or any another DB you want) and then easily get data from DB.
To start sending images via application - start a Postman and write localhost:8080/upload then need to fill a request param named as file which required for uploading any image you want. To get back uploaded data write localhost:8080/all to get all lines from uploaded file in DB.