CMS Gallery Images

Hi, Please, I need to develop a "CMS Photo Gallery" in PHP 7 that is Responsive/Mobile, I provide the frontend, below the resources I need: 1) Allow upload of multiple files with a friendly interface Dropzone type; 2) Resize files; 3) The information contained in the database will be: a) Date of creation; b) Title of the gallery; c) Description of the gallery; d) Name of the author; 4) The layou I will supply in BS4 or Materialize in grid. 5) ** And be very safe. To the interested one I will send an online production version to see the whole project in detail. Thanks, Satiro