FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY api_server.py airports.py cache.py scan_processor.py searcher_v3.py ./
COPY database/ ./database/

# Pre-fetch airport data and initialise the database at build time
RUN mkdir -p data && \
    python -c "from airports import download_and_build_airport_data; download_and_build_airport_data()" && \
    python database/init_db.py

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1

CMD ["python", "api_server.py"]