Dockerfile

FROM python:3.10-slim AS backend
WORKDIR /app

RUN apt-get update && apt-get install --no-install-recommends -y \
    git ffmpeg curl gnupg \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user

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

USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app
COPY . .

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