# Dockerfile.agent — Gradio + LangGraph agent backend
FROM python:3.11-slim

WORKDIR /app

# Install system deps for pdfplumber
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 libglib2.0-0 && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt \
    gradio>=5.0 langgraph>=0.2 langchain-core>=0.3 \
    langchain-openai>=0.3 langgraph-checkpoint-postgres pdfplumber

# Gradio server
ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

CMD ["python", "-m", "backend.src.agent.run"]