how to display the image, which is stored in outside from the project directory.
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how to display the image, which is stored in outside from the project directory.
You can do two things: Either you symlink to the file from within your public folder and serve the image as a static asset, or you read the image with File.read(/path/to/file) and send the binary data with send_file or send_data from within your controller.
The first option can also be slightly modified: you could catch the request for the image with a rails controller action and serve it to the browser. Additionally you could add the symlink and have the file served statically from then on.
I hope, this helps.