Dockerfile

FROM python:3.9

# non-root user (как у тебя)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Копируем requirements и ставим зависимости (eventlet обязателен)
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Копируем приложение
COPY --chown=user . /app

# Запуск gunicorn с eventlet worker (1 воркер для WebSocket)
CMD ["gunicorn", "-k", "eventlet", "-w", "1", "-b", "0.0.0.0:7860", "main:app"]