FROM python:3.11

# Install OS-level libraries required by OpenCV (libGL, etc.)
# Do this as root before switching to a non-root user
RUN apt-get update && apt-get install -y libgl1 libglib2.0-0 libsm6 libxext6 && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
	PATH=/home/user/.local/bin:$PATH

# Set the working directory to the user's home directory
WORKDIR $HOME/app

# Install Python requirements (installed as the non-root user into ~/.local)
RUN pip install --no-cache-dir numpy pandas uvicorn fastapi python-multipart pydantic torch torchvision opencv-python matplotlib
RUN pip install --no-cache-dir pyyaml --no-deps
RUN pip install --no-cache-dir ultralytics
RUN pip install --no-cache-dir DeepForest

# Copy app code
COPY --chown=user . $HOME/app

# Expose port
EXPOSE 8000

# Start FastAPI with uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]