FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies (ping for network diagnostics)
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 port
EXPOSE 8001

# Run the application using the new backend structure
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8001"]