The application takes in a PDF, split PDF pages to many PNGs then you could overlay template box on images which later can be converted to PDF form with data filled in.
The application uses RGhost which in turn utilise ghostscript. Make sure you install binary of ghostscript.
On OSX: $ brew install ghostscript
On Windows, please download from http://www.ghostscript.com/
Additionally, ImageMagick is required for paperclip gem.
On OSX: $ brew install imagemagick
On Windows, please download from http://www.imagemagick.org/
All gems can be installed with bundler:
$ bundle install
$ bundle exec rake db:migrate
$ bundle exec rake db:seed
If you place ghostscript binary in non-default path, please make sure you
set RGhost::Config::GS[:path] in initializers/rghost.rb
Start the server: $ rails server