BOWiki usesthe carrierwave gem for uploading image. We also usethe carrierwave image optimizer gem for optimizing images at the time of upload.

The optimizer gem uses the following utilities for optimizing images that you will need to load on your local machine:

• jpegoptim, which can be installed fromfreecode.com
• OptiPNG, which can be installed fromsourceforge.net

Or install the utilities via homebrew:$ brew install optipng jpegoptim