FROM ollama/ollama:latest

# ---- system deps ----
USER root
RUN apt-get update && apt-get install -y \
    python3 python3-pip python3-venv \
    && rm -rf /var/lib/apt/lists/*

# ---- app directory ----
WORKDIR /home/app

# ---- python venv (as root) ----
RUN python3 -m venv /home/app/venv

# ---- ensure HF UID exists ----
RUN if ! getent passwd 1000 >/dev/null; then useradd -m -u 1000 appuser; fi

# ---- permissions ----
RUN chown -R 1000:1000 /home/app

# ---- switch user by UID (most robust) ----
USER 1000

# ---- env ----
ENV HOME=/home/app \
    PATH=/home/app/venv/bin:$PATH \
    OLLAMA_KEEP_ALIVE=30m \
    OLLAMA_LOAD_TIMEOUT=10m \
    OLLAMA_NUM_PARALLEL=1 \
    OLLAMA_MAX_QUEUE=64 \
    OLLAMA_CONTEXT_LENGTH=4096

# ---- copy app ----
COPY . .

# ---- install deps ----
RUN pip install --no-cache-dir -r requirements.txt

EXPOSE 7860

# 🔑 CRITICAL: clear Ollama ENTRYPOINT
ENTRYPOINT []

# ---- run app ----
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]