FROM python:3.11-slim

WORKDIR /app

# Systemabhängigkeiten (optional, falls gebraucht)
RUN apt-get update && apt-get install -y \
    build-essential \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

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

# Code kopieren
COPY . .

ENV FLASK_APP=app.py
ENV FLASK_ENV=development

CMD ["flask", "run", "--host=0.0.0.0"]