Dockerfile

FROM python:3.11

# Install system packages
RUN apt-get update && apt-get install -y \
    git \
    curl \
    wget

# Set working directory
WORKDIR /app

# Clone ComfyUI
RUN git clone https://github.com/comfyanonymous/ComfyUI.git

# Enter ComfyUI directory
WORKDIR /app/ComfyUI

# Upgrade pip
RUN pip install --upgrade pip

# Remove possible CUDA packages
RUN pip uninstall -y torch torchvision torchaudio xformers || true

# Install CPU-only PyTorch stack
RUN pip install \
    torch \
    torchvision \
    torchaudio \
    --index-url https://download.pytorch.org/whl/cpu

# Install ComfyUI requirements
RUN pip install -r requirements.txt

# Install ComfyUI Manager requirements
RUN pip install -r manager_requirements.txt

# =========================
# ComfyUI Manager Security Fix
# =========================

ENV COMFYUI_MANAGER_SECURITY_LEVEL=weak
ENV COMFYUI_MANAGER_DISABLE_SECURITY_POLICY=true

# Create manager config directory
RUN mkdir -p /app/ComfyUI/user/__manager

# Create manager config
RUN printf "[default]\nsecurity_level = weak\n" > /app/ComfyUI/user/__manager/config.ini

# Optional useful environment settings
ENV PYTHONUNBUFFERED=1
ENV HF_HUB_DISABLE_TELEMETRY=1

# Expose ComfyUI port
EXPOSE 7860

# Start ComfyUI in CPU mode
CMD ["python", "main.py", \
"--cpu", \
"--enable-manager", \
"--enable-manager-legacy-ui", \
"--listen", "0.0.0.0", \
"--port", "7860"]