heroku-buildpack-poppler

Using

Simply add the buildpack to your Heroku app, e.g.

heroku buildpacks:add -a MY-APP https://github.com/Motimate/heroku-buildpack-poppler

Out of Memory error during package compilation in Docker

Reduce number of cores used for make in Dockerfile, eg.

make -j$(nproc --all) && \ => make -j2 && \

Upgrading

1. Update version in Dockerfile
2. docker build . -t heroku-buildpack-poppler:latest --platform=linux/amd64
3. docker run --rm -it heroku-buildpack-poppler:latest bash and cd poppler/build && ls -la and note the name of the poppler .deb file (eg. poppler_25.03.0-1_amd64.deb)
4. docker create --name temp-container heroku-buildpack-poppler
5. docker cp temp-container:/poppler/build/poppler_25.03.0-1_amd64.deb .
6. docker rm temp-container
7. Update bin/compile with the new .deb file