How to get cropped images?

[RabiRoshan]

I tried this:
"http://localhost:5000/images/imageof_5b30f85d7c554a2f74a4b8e7_1529937671243.jpg?crop=500+500+20+40"

But its not working

[papandreou]

It's based on http://sharp.dimens.io/en/stable/api-operation/#extract -- try extract=20,40,500,500 :)