Set appuser after installation

Dockerfile

@@ -1,8 +1,5 @@
 FROM python:3.10-slim
 
-RUN groupadd --gid 1000 appuser \
-    && useradd --uid 1000 --gid 1000 -ms /bin/bash appuser
-
 RUN pip3 install --no-cache-dir --upgrade \
     pip \
     virtualenv
@@ -12,8 +9,7 @@ RUN apt-get update && apt-get install -y \
     software-properties-common \
     git
 
-USER appuser
-ENV VIRTUAL_ENV=/home/appuser/venv
+    ENV VIRTUAL_ENV=/home/venv
 
 COPY . /home/appuser/document-to-podcast
 WORKDIR /home/appuser/document-to-podcast
@@ -23,5 +19,10 @@ RUN . ${VIRTUAL_ENV}/bin/activate && pip install torch torchaudio --index-url ht
 RUN . ${VIRTUAL_ENV}/bin/activate && pip install /home/appuser/document-to-podcast
 RUN . ${VIRTUAL_ENV}/bin/activate && python demo/download_models.py
 
+RUN groupadd --gid 1000 appuser \
+    && useradd --uid 1000 --gid 1000 -ms /bin/bash appuser
+
+USER appuser
+
 EXPOSE 8501
 ENTRYPOINT ["./demo/run.sh"]