Update Dockerfile

added root to system dependencies, and switch to user.

Dockerfile

@@ -6,8 +6,6 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN adduser --disabled-password --gecos '' user && \
     mkdir -p /content/stable-diffusion-webui/models/Stable-diffusion && \
     chown -R user:user /content
-WORKDIR /content
-USER user
 
 # Install system dependencies efficiently
 RUN apt-get update && \
@@ -17,7 +15,7 @@ RUN apt-get update && \
 
 # Switch to user after system setup
 WORKDIR /content
-USER root
+USER user
 
 # Combine pip installations into a single layer
 RUN pip3 install --upgrade pip==23.3.1 && \