Ge0 / heroku-buildpack-wkhtmltopdf

This buildpack downloads and extracts the most recent wkhtmltopdf binaries from https://wkhtmltopdf.org and works on heroku-20 and heroku-18 stacks.

heroku-buildpack-wkhtmltopdf

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📝 Table of Contents

• About
• Feature
• Getting Started
• Deployment
• Usage
• Acknowledgements
• License
• Changelog

About

This buildpack downloads and extracts the most recent wkhtmltopdf binaries and works on heroku-18 and heroku-20 stacks.

• This buildpack downloads wkhtmltopdf v0.12.6-1 for heroku-20 stack and v0.12.5 for heroku-18 stack.
• This buildpack may support future wkhtmltopdf binary releases(not tested yet) through Aptfile.

Changelog

• v1.0 (initial release)

  • Support for Cedar-14, heroku-16, and heroku-18
  • Support for Aptfile

• v2

  • Added support for Heroku-20
  • Removed support for Cedar-14 and heroku-16 as they reached end of life.

Features

• Downloads wkhtmltopdf binaries from wkhtmltopdf.org
• It doesnot add new environment variables or shell scripts.
• Tested on both heroku-20 and heroku-18stack images.
• Added ability to specify custom or latest wkhtmltopdf package through Aptfile (Not Tested).

Getting Started

Just add the buildpack to your heroku app by executing:

heroku buildpacks:add https://github.com/RohanDebroy/heroku-buildpack-wkhtmltopdf.git

You can also force this buildpack to be the first Heroku process by using the --index option:

heroku buildpacks:add --index=1 https://github.com/RohanDebroy/heroku-buildpack-wkhtmltopdf.git

Aptfile(Optional)

The Aptfile can be included in the parent directory of you app. If you add the latest or custom wkhtmltopdf binary download url to the aptfile as described below then the buildpack can download the version for you and it in to /app/bin folder of heroku.

#filename should be "Aptfile" without quotes.
# you can include links to specific .deb files or .tar.xz
https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.focal_amd64.deb

Usage

The binaries wkhtmltopdf and wkhtmltoimage will be available on /app/bin, you can just execute /app/bin/wkhtmltopdf and /app/bin/wkhtmltoimage from your app.

Acknowledgements

• All thanks to heroku-buildpack-apt project.
• Forgive me if I've used your code and forgot to mention you.

License

MIT