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Wicked PDF

Can be used to generate PDFs and supports HTML to PDF.

⚠️ Up to now, Wicked PDF does not support Bootstrap 4, so if you want to use Bootstrap 4 Templates, use another library ⚠️

  • Add gem 'wicked_pdf' to the main section of Gemfile
  • Add gem 'wkhtmltopdf-binary' to group :development, :test
  • Add gem 'wkhtmltopdf-heroku' to group :production

By default, it adds no layout, you you may want to add a layout:

  • Create a pdf.pdf.erb
  • Use the method to add stylesheets : wicked_pdf_stylesheet_link_tag 'pdf', media: 'all'
  • Use the method wicked_pdf_image_tag to insert images to the layout.

Usage:

render pdf: <<filename>>, print_media_type: true, layout: 'pdf', disposition: 'attachment'

⚠️ Consider using a job-runner to not block the server during creation of PDFs.

Heroku

Ensure that fonts are installed on Heroku, otherwise the PDF will look different compared to the one generated locally. The fonts need to be installed with a buildpack and put in the ~/.fonts folder. If you need Arial, you can add the following buildpack on Heroku:

https://github.com/propertybase/heroku-buildpack-fonts

⚠️ Make sure you add this as a first buildpack before heroku/ruby!