Update Dockerfile

Dockerfile

@@ -1,18 +1,22 @@
 FROM python:3.10-slim
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y git wget
-COPY requirements.txt .
-RUN pip install -r requirements.txt
+RUN apt-get update && \
+    apt-get install -y git wget && \
+    rm -rf /var/lib/apt/lists/*
+
+# 1. clone ComfyUI (force into /app/ComfyUI)
+RUN git clone https://github.com/comfyanonymous/ComfyUI.git ComfyUI
 
-# clone ComfyUI
-RUN git clone https://github.com/comfyanonymous/ComfyUI.git
+# 2. Python deps
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
 
-# download weights
+# 3. model download
 COPY download_models.py .
 RUN python download_models.py
 
-# copy our code
+# 4. copy our wrappers
 COPY app.py .
 COPY workflow_api.json .