https://github.com/stevenharman/heroku-buildpack-pdftk-java-native

A Heroku Buildpack to install pdftk-java as a Native Image in your Slug.
https://github.com/stevenharman/heroku-buildpack-pdftk-java-native

Last synced: 2 days ago
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A Heroku Buildpack to install pdftk-java as a Native Image in your Slug.

• Host: GitHub
• URL: https://github.com/stevenharman/heroku-buildpack-pdftk-java-native
• Owner: stevenharman
• License: mit
• Created: 2023-01-25T15:43:46.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2023-01-26T14:49:32.000Z (almost 2 years ago)
• Last Synced: 2025-01-03T15:45:47.772Z (11 days ago)
• Language: Shell
• Size: 5.86 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# pdftk-java-native

A Heroku [Buildpack][buildpacks] to install [`pdftk-java` as a Native Image][prebuilt-bins] in your Slug.

## How to use it

Add this Buildpack as the first Buildpack in your App.

Or, at least before other Buildpacks that might need it.

```console

$ heroku buildpacks:add --index=1 stevenharman/pdftk-java-native --app=

```

On the next deploy a `pdftk-java` Native Image (`x86_64`) will be downloaded and added to your Slug.

The binary (`pdftk`) will be placed in `app/bin`, which is already on the `$PATH`.

Meaning the binary will be available as `pdftk`.

### Configure `pdftk-java` version

The `pdftk-java` project currently publishes Native Images for versions `3.3.0` - `3.3.3`.

By default this Buildpack downloads and installs the `3.3.3` version.

if you'd like to pin to a specific version, or use newer version when they become available, set the `PDFTK_JAVA_NATIVE_VERSION` [Config Var][config-vars].

Like so:

```console

$ heroku config:set PDFTK_JAVA_NATIVE_VERSION=3.3.3

```

### Cached versions

This Buildpack will [cache][build-cache] the requested version of the `.zip` file and re-use that between build.

If you need to force a re-download of the cached file, you'll need to [purge your build cache][build-cache].

## License

This work is licensed under [MIT License](./LICENSE).

Copyright (c) 2023 Steven Harman

[build-cache]: https://devcenter.heroku.com/articles/slug-compiler#build-cache "Heroku Build cache"

[buildpacks]: https://devcenter.heroku.com/articles/buildpacks "Heroku Buildpacks"

[config-vars]: https://devcenter.heroku.com/articles/config-vars "Configuration and Config Vars"

[prebuilt-bins]: https://gitlab.com/pdftk-java/pdftk#pre-built-binaries "Pre-built binaries for pdftk-java"