FROM python:3.12-slim

WORKDIR /app

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

# Anwendung kopieren
COPY app.py models.py seed_demo_data.py ./
COPY templates/ templates/
COPY static/ static/

# Instance-Ordner für SQLite (wird per Volume gemountet)
ENV FLASK_APP=app.py

EXPOSE 5000

# Seed ausführen, dann Gunicorn starten
CMD python seed_demo_data.py 2>/dev/null || true && \
    gunicorn --bind 0.0.0.0:5000 app:app