permission fixes

Dockerfile

@@ -85,7 +85,7 @@ RUN git clone https://github.com/Mikubill/sd-webui-controlnet /app/stable-diffus
 # Prepare WebUI environment
 WORKDIR /app/stable-diffusion-webui
 COPY config.json ui-config.json /app/stable-diffusion-webui/
-RUN python launch.py --exit --skip-torch-cuda-test
+RUN /opt/venv/bin/python launch.py --exit --skip-torch-cuda-test
 
 RUN sed -i -e 's/                show_progress=False,/                show_progress=True,/g' modules/ui.py
 RUN sed -i -e 's/shared.demo.launch/shared.demo.queue().launch/g' webui.py
@@ -97,7 +97,7 @@ RUN chmod +x on_start.sh
 
 # Run app as non-root user
 RUN adduser --disabled-password --gecos '' user
-RUN chown -R user:user /app
+RUN chown -R user:user /app /opt/venv
 USER user
 
 EXPOSE 7860

run.py

@@ -4,7 +4,7 @@ import sys
 
 
 def on_start():
-    print("Executing './on_start.sh' (downloading models, etc.)")
+    print("Executing './on_start.sh' (that installs xformers, downloads models, etc.)")
     result = subprocess.run("./on_start.sh", shell=True, env=os.environ)
     if result.returncode != 0:
         raise RuntimeError(f"Error executing ./on_start.sh [exit code: {result.returncode}]")