How to add pdftk to Heroku Cedar app?

Question

I need to merge multiple PDF files into one in my Heroku Cedar Rails app, and have settled upon using pdftk to do this.

I\'m lost as to how to do this. I think the bes

Answer 1

In case it's helpful to anyone here are the exact steps I followed to get millie's precompiled pdftk installed and working with my existing Cedar app. Your mileage may vary:

mkdir -p [my_project]/vendor/pdftk/lib [my_project]/vendor/pdftk/bin
cd /tmp
git clone https://github.com/millie/pdftk-source.git
cd pdftk-source
tar xzvf pdftk.tar.gz
mv bin/pdftk [my_project]/vendor/pdftk/bin/
mv lib/libgcj.so.12 [my_project]/vendor/pdftk/lib/
cd [my_project]
git add -f vendor/pdftk/
git commit -m "Add pdftk dependencies"
git push heroku master
heroku config:set LD_LIBRARY_PATH=/app/.heroku/vendor/lib:/app/vendor/pdftk/lib
heroku config:set PATH=/app/.heroku/python/bin:/usr/local/bin:/usr/bin:/bin:/app/vendor/pdftk/bin
heroku run bash
$ pdftk