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

# Zeitzone auf Europe/Berlin setzen
ENV TZ=Europe/Berlin

WORKDIR /app

# System-Dependencies inkl. PostgreSQL-Tools installieren
RUN apt-get update && apt-get install -y \
    locales \
    postgresql-client \
    tzdata \
    && sed -i '/de_DE.UTF-8/s/^# //g' /etc/locale.gen \
    && locale-gen \
    && update-locale LANG=de_DE.UTF-8 \
    && ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime \
    && echo "Europe/Berlin" > /etc/timezone \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE 5000

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