pdf-to-pngs-docker

Convert a PDF file to PNG images by ImageMagick/GhostScript.

Run

1. Prepare docker image

   # Pull image
   docker pull docker.pkg.github.com/aazw/pdf-to-pngs-docker/pdf2pngs:latest
   
   # OR
   # Build image 
   # Note: fix build settings in docker-compose.yml before build image
   docker-compose build

2. Put a PDF file in workspace directory

3. Run

    # Exec
    docker-compose run -e INPUT_FILENAME=<filename_in_workspace_dir>.pdf imagemagick
   
    # e.g. 
    # > ls workspace
    # doc.pdf
    # > docker-compose run -e INPUT_FILENAME=doc.pdf imagemagick

References

• https://legacy.imagemagick.org/discourse-server/viewtopic.php?t=22275
• https://legacy.imagemagick.org/Usage/masking/#remove
• https://www.bigbinary.com/blog/configuring-memory-allocation-in-imagemagick