ARG DOCKER_REGISTRY_PREFIX=
FROM ${DOCKER_REGISTRY_PREFIX}python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app/backend

RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
    --mount=type=cache,target=/var/lib/apt/lists,sharing=locked \
    apt-get update \
    && apt-get install -y --no-install-recommends ffmpeg

COPY backend/requirements.docker.txt /tmp/requirements.docker.txt
RUN --mount=type=cache,target=/root/.cache/pip \
    pip install -r /tmp/requirements.docker.txt

COPY backend /app/backend

EXPOSE 8001

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