FROM python:3.9

# 1. Create a non-root user
RUN useradd -m -u 1000 user
USER user

# 2. Set environment variables to ensure Python finds installed packages
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONPATH=/home/user/app

WORKDIR /app

# 3. Upgrade pip first (important for newer packages)
RUN pip install --no-cache-dir --upgrade pip

# 4. Copy requirements and install
COPY --chown=user requirements.txt .
# Adding --user ensures packages go to the path we set above
RUN pip install --no-cache-dir --user -r requirements.txt

# 5. Copy the rest of your app
COPY --chown=user . .

# 6. Run the app
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]