# llama.cpp web UI on a Hugging Face Docker Space (free cpu-basic tier).
# Plain Ubuntu base: the llama.app installer downloads the CPU build at runtime.
# The GGUF model is fetched at runtime (see start.sh) so the image stays tiny.
FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive

# curl + zstd are required by the llama.app installer; ca-certificates for HTTPS.
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        curl \
        ca-certificates \
        zstd \
    && rm -rf /var/lib/apt/lists/*

# Hugging Face Spaces run as uid 1000; create a matching non-root user.
RUN useradd --create-home --uid 1000 --shell /bin/bash user

WORKDIR /home/user/app

COPY --chown=user:user start.sh /home/user/app/start.sh
RUN chmod +x /home/user/app/start.sh

USER user

EXPOSE 8080
CMD ["/home/user/app/start.sh"]