# Stage 1: Build dependencies
FROM python:3.11-slim as builder

WORKDIR /app

# Install build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt .
RUN pip wheel --no-cache-dir --no-deps --wheel-dir /app/wheels -r requirements.txt

# Stage 2: Runtime
FROM python:3.11-slim

WORKDIR /app

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash botuser

# Copy wheels from builder and install
COPY --from=builder /app/wheels /wheels
RUN pip install --no-cache /wheels/* && rm -rf /wheels

# Copy application code
COPY src/ ./src/

# Set Python path
ENV PYTHONPATH=/app/src
ENV PYTHONUNBUFFERED=1

# Switch to non-root user
USER botuser

# Run the bot
CMD ["python", "-m", "loyal_companion"]