FROM python:3.11-slim # Locale für deutsche Sprache und UTF-8 setzen ENV LANG=de_DE.UTF-8 ENV LC_ALL=de_DE.UTF-8 ENV PYTHONIOENCODING=utf-8 WORKDIR /app # System-Dependencies inkl. PostgreSQL-Tools installieren RUN apt-get update && apt-get install -y \ locales \ postgresql-client \ && sed -i '/de_DE.UTF-8/s/^# //g' /etc/locale.gen \ && locale-gen \ && update-locale LANG=de_DE.UTF-8 \ && apt-get clean \ && rm -rf /var/lib/apt/lists/* COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt COPY . . EXPOSE 443 CMD ["python", "app.py"]