Artificial Intelligencedocker-ready

ComfyUI: the best Open Source alternative to Midjourney in 2026

ComfyUI is a node-based interface for Stable Diffusion that lets you build highly advanced, reproducible image-generation pipelines, popular among technical users.

License GPL-3.0 ~58k stars (estimated)Website GitHub Repository

Technical profile

License: GPL-3.0
Category: Artificial Intelligence
Replaces: Midjourney
Tech stack: PythonPyTorch

Preview

Public image provided by ComfyUI on its own website.

Key features

Node-based generation pipelines
Reproducible, shareable workflows
Supports ControlNet, LoRAs and custom models

ComfyUI vs. Midjourney

Pros

Maximum control over every step of the generation pipeline

Things to consider

Steeper learning curve than simple prompt interfaces

Quick Docker installation guide

Copy this docker-compose.yml, adjust the example passwords and run docker compose up -d on your server. See the full step-by-step guide →

docker-compose.yml

version: "3.9"
services:
  comfyui:
    image: yanwk/comfyui-boot:latest
    restart: unless-stopped
    ports:
      - "8188:8188"
    volumes:
      - comfyui_data:/root/ComfyUI/models
    deploy:
      resources:
        reservations:
          devices:
            - driver: nvidia
              count: 1
              capabilities: [gpu]
volumes:
  comfyui_data: