# Backend Dockerfile for Flight Radar API
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements file
COPY requirements.txt .

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

# Copy application code
COPY api_server.py .
COPY airports.py .
COPY cache.py .
COPY database/ ./database/

# Create necessary directories
RUN mkdir -p data

# Download airport data on build
RUN python -c "from airports import download_and_build_airport_data; download_and_build_airport_data()"

# Initialize database
RUN python database/init_db.py

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:8000/health').raise_for_status()"

# Run the application
CMD ["python", "api_server.py"]