newly uploaded images will not show in background-image after build

[Robinzon100]

I made a simple API that takes text and image, uploads the image to public/uploads/news and saves the file path (example: /uploads/news/(1590330102136)--anykey.png ), when in development everything works fine

but

after I do next build and next start everything works fine at first also, but when I want to upload something like an image and a text with my API (which uploads it to the file system in public/uploads/news) text from the API is rendered, but the background-image shows me a 404 error and tells me that the image does not exist, even thou I see it's saved in the file system

if I do a next build the image appears again

this is the element I'm rendering

 <div
      className="news_card__image"
      style={{
             backgroundImage: `url("${props.imageUrl}")`
      }}
      alt={props.title}>
 </div>