update the docker image

Dockerfile

@@ -15,7 +15,7 @@ RUN python -m pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 # Creates a non-root user with an explicit UID and adds permission to access the /code folder
 # For more info, please refer to https://aka.ms/vscode-docker-python-configure-containers
-RUN useradd -u 1000 --disabled-password --gecos "" appuser && chown -R appuser /code
+RUN useradd -u 1000 appuser && chown -R appuser /code
 USER appuser
 
 # During debugging, this entry point will be overridden. For more information, please refer to https://aka.ms/vscode-docker-python-debug