FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
  PYTHONUNBUFFERED=1 \
  PIP_NO_CACHE_DIR=1 \
  PORT=7860

WORKDIR /app

# System packages required for OCR and PDF/image processing
RUN apt-get update && apt-get install -y --no-install-recommends \
    tesseract-ocr \
    tesseract-ocr-eng \
    libglib2.0-0 \
  libgl1 \
  libsm6 \
  libxext6 \
  libxrender1 \
  poppler-utils \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt /app/requirements.txt
RUN pip install --upgrade pip && pip install -r /app/requirements.txt

COPY . /app

EXPOSE 7860

# Set APP_MODULE in Space Variables, e.g. "main:app" or "app3:app"
CMD ["sh", "-c", "uvicorn ${APP_MODULE:-main:app} --host 0.0.0.0 --port ${PORT}"]