FROM ubuntu:22.04

# Avoid interactive prompts during install
ENV DEBIAN_FRONTEND=noninteractive

# Install required packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    ca-certificates \
    bash \
    sudo \
    git \
    build-essential \
    cmake \
    build-essential \
    ninja-build \
    && rm -rf /var/lib/apt/lists/*

ENV CMAKE_GENERATOR=Ninja    
ENV CMAKE_BUILD_PARALLEL_LEVEL=4


# Create non-root user with UID 1000
RUN useradd -m -u 1000 user

USER user
WORKDIR /home/user

# Install uv CLI as non-root user
RUN curl -fsSL https://astral.sh/uv/install.sh -o uv-installer.sh && \
    sh uv-installer.sh && \
    rm uv-installer.sh

ENV PATH="/home/user/.local/bin:$PATH"

# Copy app source code with user ownership 
COPY --chown=user:user . /home/user/app

WORKDIR /home/user/app
# Synchronize uv environment
RUN uv sync

# Add llama-cpp-python from custom index URL
# RUN uv add llama-cpp-python --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cpu
RUN uv pip install llama-cpp-python --no-binary llama-cpp-python --verbose


# Optional: list files for verification
# RUN ls -l /home/user/.venv/lib/python3.11/site-packages/llama_cpp/lib

CMD ["uv", "run", "app.py"]