FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

# System dependencies (if olmocr / rendering requires them, extend here)
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE 7860

# Environment variables expected (documented for convenience)
# - OPENAI_API_KEY: API key for ChatGPT 5.2 backend
# - WORDS2DOC_OPENAI_MODEL: Optional, OpenAI model name (default: gpt-4.1-mini)
# - GEMINI_API_KEY: API key for Gemini backend
# - WORDS2DOC_GEMINI_MODEL: Optional, Gemini model name (default: gemini-1.5-flash)

ENV GRADIO_SERVER_NAME="0.0.0.0"

CMD ["gradio", "app.py"]