🌟 New Features

Enhanced PDF Processing (PR #353)

• Smart Text Layer Integration

  • Creates searchable PDFs by embedding OCR text layers
  • Maintains original document appearance while adding invisible text layer
  • Preserves accurate text positioning using hOCR data
  • Works with Google Document AI's hOCR output

• Paperless-ngx Integration

  • Automatic metadata preservation (tags, correspondent, created date)
  • Smart document replacement workflow
  • Processing status tracking via document tagging
  • Skip mechanism for already processed documents

• Safety Features

  • Page count validation to prevent incomplete processing
  • Optional local file backup for verification
  • Configurable document replacement
  • Comprehensive error handling and logging

Cloud Provider Integrations

Azure OpenAI Support

• Added native support for Azure OpenAI Service
• New configuration options: OPENAI_API_TYPE and OPENAI_BASE_URL
• Improved validation for Azure-specific environment variables

Docling Server Integration

• Added Docling Server as a new OCR provider
• Self-hosted OCR capabilities for enhanced privacy
• Support for multiple OCR engines

Container Registry Support

• Added GitHub Container Registry (GHCR) as an alternative image source
• Multi-architecture support for both Docker Hub and GHCR

🔧 Configuration

New PDF Processing Variables:

CREATE_LOCAL_HOCR: Save hOCR files locally
LOCAL_HOCR_PATH: Directory for hOCR files
CREATE_LOCAL_PDF: Save PDFs locally
LOCAL_PDF_PATH: Directory for PDFs
PDF_UPLOAD: Enable paperless-ngx uploads
PDF_REPLACE: Control document replacement
PDF_COPY_METADATA: Enable metadata copying
PDF_OCR_TAGGING: Enable process tracking
PDF_OCR_COMPLETE_TAG: Tag for processed documents

Azure OpenAI Variables:

OPENAI_API_TYPE=azure
OPENAI_BASE_URL=https://<your-azure-openai-endpoint>.openai.azure.com/

For detailed setup instructions, please refer to the updated documentation.

Contributors

A big shoutout to @signorecello for the docling integration and @gardar for the advanced hOCR support.