FROM python:3.10-slim

LABEL maintainer="AI Email Assistant Team"
LABEL version="1.0.0"
LABEL description="AI Email Assistant with RAG and LangGraph"

RUN groupadd -r appuser && useradd -r -g appuser appuser

WORKDIR /app

RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    curl \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

COPY . .

RUN mkdir -p /app/storage/chroma /app/data/articles_konsol_pro && \
    chown -R appuser:appuser /app

USER appuser

ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8000/healthz || exit 1

CMD ["uvicorn", "src.app.main:app", "--host", "0.0.0.0", "--port", "8000"]