Fillpdf allow you to map your PDF form fields to generic fields that you can fill in in the app. By doing this you can fill as many PDF as you want with the info of a single form.
docker run -d --name fillpdf-db mongo
docker run -d --name fillpdf-app --link=fillpdf-db:db -e MONGO_URL=mongodb://db -e ROOT_URL=http://localhost -p 80:80 3cola/fillpdf
see https://github.com/3cola/fillpdf for more details.