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WORK - Coggle Diagram

- - - - how to send image on server?
        
        https://stackoverflow.com/questions/15772394/how-to-upload-display-and-save-images-using-node-js-and-express
      - how does HTPTP file upload work
        
        https://stackoverflow.com/questions/15772394/how-to-upload-display-and-save-images-using-node-js-and-express
        
        https://stackabuse.com/handling-file-uploads-in-node-js-with-expres-and-multer/
      - структура http
        
        https://ru.wikipedia.org/wiki/HTTP
      - cors preflight
      - backend where to store images
      - how to remove property
        
        https://stackoverflow.com/questions/208105/how-do-i-remove-a-property-from-a-javascript-object
      - event loop
        
        https://www.youtube.com/watch?v=7f787SsgknA
      - нормальные формы
        
        https://www.youtube.com/watch?v=zwQzL80U51c
- - - - space
        
        fra1.digitaloceanspaces.com
        
        ND4CNKYGJ5GEMM746B7H
        
        v2EkvhfAPWaBbRgFL3js7oaaXqtg0lbbTfsScGbTCHc