Example request https://imgflo.herokuapp.com/graph/851b8fd15e770b1/bdc2476fe451696ebc84c2a17fbfb78d/passthrough.jpg?input=https%3A%2F%2Fimgflo.herokuapp.com%2Fgraph%2F2b2431f8e7ba7b0%2F8a82878dd7f43d6e39d117119257b395%2Fnoop.jpg%3Finput%3Dhttp%253A%252F%252Fassets.atlasobscura.com%252Farticle_images%252F36870%252Fimage.jpg&width=720 The input image is served as jpg, but is actually a PNG file http://assets.atlasobscura.com/article_images/36870/image.jpg ``` - "Not a JPEG file: starts with 0x89 0x50" file image.jpg image.jpg: PNG image data, 800 x 1066, 8-bit/color RGBA, non-interlaced ```