Dockerfile.cpu

FROM python:3.13-slim-trixie

WORKDIR /app
COPY . /src

# Pre-install CPU-only torch from the PyTorch CPU index so the later
# pip install of ptychi sees torch as already satisfied and does NOT
# pull a CUDA-flavored torch wheel from PyPI.
RUN apt-get update && \
    apt-get install -y --no-install-recommends git libqt5gui5 && \
    rm -rf /var/lib/apt/lists/* && \
    python3 -m pip install --root-user-action=ignore --no-cache-dir --upgrade pip && \
    python3 -m pip install --root-user-action=ignore --no-cache-dir \
        --index-url https://download.pytorch.org/whl/cpu \
        torch && \
    python3 -m pip install --root-user-action=ignore --no-cache-dir \
        /src[globus,gui] \
        git+https://github.com/AdvancedPhotonSource/pty-chi.git && \
    rm -rf /src

CMD ["python3", "-m", "ptychodus"]