Fix Dockerfile and handler - resolve exit code 127 error

ComfyUI-master/Dockerfile

@@ -18,6 +18,12 @@ RUN apt-get update && apt-get install -y \
     libgl1-mesa-glx \
     && rm -rf /var/lib/apt/lists/*
 
+# Copy ComfyUI source code
+COPY . /workspace/ComfyUI
+
+# Set ComfyUI as working directory
+WORKDIR /workspace/ComfyUI
+
 # Install Python dependencies
 RUN pip install --no-cache-dir \
     runpod \
@@ -33,27 +39,13 @@ RUN pip install --no-cache-dir \
     diffusers \
     opencv-python \
     scipy \
-    scikit-image
+    scikit-image \
-
-# Copy ComfyUI source code
-COPY . /workspace/ComfyUI
-
-# Set ComfyUI as working directory
-WORKDIR /workspace/ComfyUI
-
-# Install ComfyUI requirements
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Install additional dependencies for new features
-RUN pip install --no-cache-dir \
     safetensors \
-    transformers[torch] \
-    accelerate \
     bitsandbytes \
     optimum
 
-# Copy environment example (users should provide their own .env)
+# Install ComfyUI requirements if exists
-COPY .env.example /workspace/.env.example
+RUN if [ -f requirements.txt ]; then pip install --no-cache-dir -r requirements.txt; fi
 
 # Create necessary directories
 RUN mkdir -p /workspace/ComfyUI/models/checkpoints \
@@ -74,16 +66,12 @@ ENV COMFYUI_SERVERLESS=true
 ENV NVIDIA_VISIBLE_DEVICES=all
 ENV NVIDIA_DRIVER_CAPABILITIES=compute,utility
 
-# Create startup script
+# Set environment variables
-RUN echo '#!/bin/bash\n\
+ENV PYTHONPATH="/workspace/ComfyUI:${PYTHONPATH}"
-cd /workspace/ComfyUI\n\
+ENV COMFYUI_SERVERLESS=true
-python main.py --listen 0.0.0.0 --port 8000 --dont-print-server --disable-auto-launch &\n\
-sleep 10\n\
-cd /workspace/ComfyUI\n\
-python runpod_handler.py' > /workspace/start.sh && chmod +x /workspace/start.sh
 
 # Expose port
 EXPOSE 8000
 
-# Set the command
+# Start command
-CMD ["/workspace/start.sh"]
+CMD ["python3", "runpod_handler.py"]

ComfyUI-master/runpod_handler.py

@@ -10,6 +10,8 @@ import time
 import logging
 import tempfile
 import requests
+import subprocess
+import threading
 from typing import Dict, Any, Optional
 import runpod
 
@@ -24,7 +26,9 @@ class ComfyUIServerlessHandler:
     def __init__(self):
         self.comfyui_url = "http://127.0.0.1:8000"
         self.client_id = "runpod_serverless_worker"
+        self.comfyui_process = None
         self.setup_paths()
+        self.start_comfyui()
         
     def setup_paths(self):
         """Setup required paths for serverless operation"""
@@ -32,6 +36,22 @@ class ComfyUIServerlessHandler:
         os.makedirs("/tmp/outputs", exist_ok=True)
         os.makedirs("/tmp/comfyui", exist_ok=True)
         
+    def start_comfyui(self):
+        """Start ComfyUI server in background"""
+        try:
+            logger.info("Starting ComfyUI server...")
+            self.comfyui_process = subprocess.Popen([
+                "python3", "main.py", 
+                "--listen", "0.0.0.0", 
+                "--port", "8000",
+                "--dont-print-server",
+                "--disable-auto-launch"
+            ], cwd="/workspace/ComfyUI")
+            logger.info("ComfyUI server started")
+        except Exception as e:
+            logger.error(f"Failed to start ComfyUI: {str(e)}")
+            raise
+        
     def wait_for_comfyui(self, timeout: int = 120) -> bool:
         """Wait for ComfyUI to be ready"""
         start_time = time.time()