# --- STAGE 1: Builder ---
FROM python:3.11-slim AS builder

WORKDIR /app

# Install system dependencies needed for building C-extensions
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Install dependencies system-wide
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
# VERIFICATION STEP: Ensure uvicorn is installed and found
RUN which uvicorn || (echo "ERROR: uvicorn not found after install!" && exit 1)

# --- STAGE 2: Final Runtime ---
FROM python:3.11-slim

WORKDIR /app

# Install curl for healthcheck
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

# Copy system-wide installed packages from builder
COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin
# Ensure /usr/local/bin (where pip installs executables by default) is in PATH
ENV PATH=/usr/local/bin:$PATH

# Copy source code explicitly from their locations relative to the build context (which will be the project root)
COPY worker.py .
COPY webhook_app.py .
COPY queue_manager.py .
COPY config.py .
COPY superoffice_client.py .

# Expose port for Webhook
EXPOSE 8000

# Start both worker and webhook directly within the CMD, using absolute path for uvicorn
CMD ["/bin/bash", "-c", "python3 worker.py & /usr/local/bin/uvicorn webhook_app:app --host 0.0.0.0 --port 8000"]