Update depencies to latest versions
Add log line for each screenshot generated
Apply ceilings to width and height of image
Have the host to bind the server to be configurable
Add the express.logger middleware back in
feturn response(500) as its more idiomatic
.
Get allowed screenshot domains from config
Utilize a content-disposition header to prompt the user to download the image in a browser
Make the max number of concurrent PhantomJS processes configurable