FROM python:3.11-slim

WORKDIR /app

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

# App-Code
COPY app.py .
COPY templates/ templates/

# Daten-Verzeichnis für SQLite Datenbank (wird als Volume gemountet)
RUN mkdir -p /data && chmod 755 /data

# Port 8080 exponieren (unprivileged)
EXPOSE 8080

# Health Check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:8080/health')" || exit 1

# Starten
CMD ["python", "app.py"]