FROM python:3.13

RUN useradd -m -u 1001 appuser

WORKDIR /rag_be

ENV HF_HOME=/tmp/.cache/huggingface
ENV TRANSFORMERS_CACHE=/tmp/.cache/transformers
ENV TORCH_HOME=/tmp/.cache/torch
ENV XDG_CACHE_HOME=/tmp/.cache
ENV TMPDIR=/tmp
ENV WHISPER_CACHE_DIR=/tmp/.cache/whisper

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

COPY --chown=appuser:appuser . /rag_be

RUN mkdir -p /tmp/.cache \
    /tmp/.cache/whisper \
    /tmp/.cache/huggingface \
    /tmp/.cache/transformers \
    /tmp/.cache/torch \
    /rag_be/vectorstore \
    /rag_be/app/vectorstore \
    /rag_be/documents && \
    chmod -R 777 /tmp/.cache /rag_be/app /rag_be/vectorstore /rag_be/documents


RUN apt-get update && apt-get install -y ffmpeg && apt-get clean

USER appuser

EXPOSE 8000

CMD ["python", "main.py --mode rtc-ui --port 7860"]