FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends iputils-ping curl && \
    rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Expose SFM port
EXPOSE 8002

# Run SFM backend (API only)
# For now: runs same app on different port
# Future: will run SFM-specific entry point
CMD ["python3", "-m", "app.main"]