FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Build tools needed to compile libpff-python from source
RUN apt-get update && apt-get install -y --no-install-recommends \
        build-essential \
        curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python deps
COPY backend/requirements.txt /app/backend/requirements.txt
RUN pip install --upgrade pip && \
    pip install -r /app/backend/requirements.txt

# Copy source
COPY backend /app/backend
COPY frontend /app/frontend

# Runtime dir for uploaded PSTs + SQLite DB
RUN mkdir -p /app/data

ENV DATA_DIR=/app/data \
    FRONTEND_DIR=/app/frontend \
    PYTHONPATH=/app/backend

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD curl -fsS http://localhost:8000/api/health || exit 1

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000", "--app-dir", "/app/backend"]
