Update Dockerfile

Dockerfile

@@ -1,5 +1,5 @@
-USER root
-FROM docker.io/library/python:3.10@sha256:d5b1fbbc00fd3b55620a9314222498bebf09c4bf606425bf464709ed6a79f202
+
+FROM python:3.9
 RUN pip freeze > /tmp/freeze.txt
 RUN pip install --no-cache-dir 	gradio[oauth]==4.13.0 	"uvicorn>=0.14.0" 	spaces
 RUN --mount=target=requirements.txt,source=requirements.txt 	pip install --no-cache-dir -r requirements.txt