FROM python:3 ENV TZ Europe/Budapest RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone WORKDIR /app COPY requirements.txt ./ RUN pip install --no-cache-dir -r requirements.txt COPY app.py ./ EXPOSE 8080 ENTRYPOINT ["gunicorn", "-b", "0.0.0.0:8080", "--workers", "1", "--threads", "1", "app:app"]