Dockerfile

# syntax=docker/dockerfile:1

FROM python:3.10-slim

ENV DEBIAN_FRONTEND=noninteractive \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PORT=7860 \
    COMFYUI_PATH=/app/ComfyUI \
    OMP_NUM_THREADS=2 \
    MKL_NUM_THREADS=2 \
    OPENBLAS_NUM_THREADS=2 \
    NUMEXPR_NUM_THREADS=2 \
    TOKENIZERS_PARALLELISM=false \
    HF_XET_HIGH_PERFORMANCE=1

EXPOSE 7860

RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    git-lfs \
    curl \
    wget \
    ca-certificates \
    ffmpeg \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libgomp1 \
    build-essential \
    && rm -rf /var/lib/apt/lists/* \
    && git lfs install

RUN useradd --create-home --shell /bin/bash --uid 1000 user

WORKDIR /app

RUN python -m pip install --upgrade pip setuptools wheel && \
    python -m pip install \
      "torch==2.7.1" \
      "torchvision==0.22.1" \
      "torchaudio==2.7.1" \
      --index-url https://download.pytorch.org/whl/cpu

RUN git clone --depth 1 https://github.com/comfyanonymous/ComfyUI.git /app/ComfyUI && \
    cd /app/ComfyUI && \
    python -m pip install -r requirements.txt

# Keep the CPU PyTorch versions after installing ComfyUI requirements.
RUN python -m pip install --force-reinstall \
      "torch==2.7.1" \
      "torchvision==0.22.1" \
      "torchaudio==2.7.1" \
      --index-url https://download.pytorch.org/whl/cpu

# ------------------------------------------------------------------
# Seven custom nodes
# ------------------------------------------------------------------
RUN mkdir -p /app/ComfyUI/custom_nodes && \
    cd /app/ComfyUI/custom_nodes && \
    git clone --depth 1 https://github.com/ltdrdata/ComfyUI-Manager.git comfyui-manager && \
    git clone --depth 1 https://github.com/RealRebelAI/ComfyUI-GGUF_KREA-2.git ComfyUI-GGUF_KREA-2 && \
    git clone --depth 1 https://github.com/crystian/comfyui-crystools.git comfyui-crystools && \
    git clone --depth 1 https://github.com/rgthree/rgthree-comfy.git rgthree-comfy && \
    git clone --depth 1 https://github.com/kijai/ComfyUI-KJNodes.git ComfyUI-KJNodes && \
    git clone --depth 1 https://github.com/nicolab28/ComfyUI-ClipProj.git ComfyUI-ClipProj && \
    git clone --depth 1 https://github.com/ethanfel/ComfyUI-Krea2TextEncoder.git ComfyUI-Krea2TextEncoder && \
    git clone --depth 1 https://github.com/KLL535/ComfyUI_SimpleButcher.git ComfyUI_SimpleButcher && \
    git clone --depth 1 https://github.com/lquesada/ComfyUI-Inpaint-CropAndStitch.git ComfyUI-Inpaint-CropAndStitch && \
    git clone --depth 1 https://github.com/LAOGOU-666/Comfyui-Memory_Cleanup.git Comfyui-Memory_Cleanup && \
    git clone --depth 1 https://github.com/ssitu/ComfyUI_UltimateSDUpscale.git ComfyUI_UltimateSDUpscale &&  \
    git clone --depth 1 https://github.com/ty0x2333/ComfyUI-Dev-Utils.git ComfyUI-Dev-Utils && \
    git clone --depth 1 https://github.com/ServiceStack/comfy-asset-downloader.git comfy-asset-downloader && \
    git clone --depth 1 https://github.com/traugdor/ComfyUI-UltimateSDUpscale-GGUF.git ComfyUI-UltimateSDUpscale-GGUF && \
    git clone --depth 1 https://github.com/tori29umai0123/ComfyUI-Model_Downloader.git ComfyUI-Model_Downloader && \
    git clone --depth 1 https://github.com/ciri/comfyui-model-downloader.git comfyui-model-downloader && \
    git clone --depth 1 https://github.com/PanicTitan/ComfyUI-Gallery ComfyUI-Gallery && \
    git clone --depth 1 https://github.com/christian-byrne/audio-separation-nodes-comfyui audio-separation-nodes-comfyui && \
    git clone --depth 1 https://github.com/yolain/ComfyUI-Easy-Use ComfyUI-Easy-Use && \
    git clone --depth 1 https://github.com/Kosinkadink/ComfyUI-VideoHelperSuite ComfyUI-VideoHelperSuite && \
    git clone --depth 1 https://github.com/ryanontheinside/ComfyUI_RyanOnTheInside ComfyUI_RyanOnTheInside && \
    git clone --depth 1 https://github.com/sou319b/comfyui-youtube-downloader comfyui-youtube-downloader 

RUN set -eux; \
    find /app/ComfyUI/custom_nodes -maxdepth 2 -name "requirements.txt" -exec python -m pip install --no-cache-dir -r {} \;

RUN python -m pip install \
    "huggingface_hub>=0.33" \
    "hf_transfer>=0.1.9" \
    psutil \
    websocket-client \
    opencv-python-headless \
    einops \
    transformers \
    safetensors \
    color-matcher \
    scikit-image \
    numba \
    dynamicprompts \
    diffusers

# ------------------------------------------------------------------
# Runtime directories.
#
# IMPORTANT:
# ComfyUI 0.35.x creates /app/ComfyUI/user at startup.
# It must be writable by the non-root "user" account.
# ------------------------------------------------------------------
RUN mkdir -p \
    /app/ComfyUI/user \
    /app/ComfyUI/models/unet \
    /app/ComfyUI/models/diffusion_models \
    /app/ComfyUI/models/text_encoders \
    /app/ComfyUI/models/clip \
    /app/ComfyUI/models/vae \
    /app/ComfyUI/models/loras \
    /app/ComfyUI/models/upscale_models \
    /app/ComfyUI/models/checkpoints \
    /app/ComfyUI/workflows \
    /app/ComfyUI/input \
    /app/ComfyUI/output \
    /app/ComfyUI/temp \
    /data && \
    chown -R user:user \
      /app/ComfyUI/user \
      /app/ComfyUI/models \
      /app/ComfyUI/workflows \
      /app/ComfyUI/input \
      /app/ComfyUI/output \
      /app/ComfyUI/temp \
      /data

COPY --chown=user start.sh /app/start.sh
RUN chmod +x /app/start.sh && chown user:user /app/start.sh

USER user

WORKDIR /app/ComfyUI

ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONPATH=/app/ComfyUI

# Build-time sanity check.
RUN python - <<'PY'
import torch
print("PyTorch:", torch.__version__)
print("CUDA available:", torch.cuda.is_available())
assert torch.__version__.startswith("2.7.1")
assert not torch.cuda.is_available()

import comfy_kitchen
print("comfy_kitchen:", comfy_kitchen.__file__)
print("int8_attention_is_available:",
      hasattr(comfy_kitchen, "int8_attention_is_available"))
PY

COPY ./workflow /app/ComfyUI/user/default/workflows/

HEALTHCHECK --interval=30s --timeout=10s --start-period=180s --retries=5 \
  CMD curl -fsS http://127.0.0.1:7860/system_stats >/dev/null || exit 1

ENTRYPOINT ["/app/start.sh"]