Install python extension for user, not for root.

Dockerfile

@@ -19,13 +19,13 @@ RUN chown ${USER}:${GROUP} /wd
 # SYSTEM CONFIGURATION
 RUN apt install vim htop mc curl wget git tree -y
 RUN curl -fsSL https://code-server.dev/install.sh | sh
-RUN code-server --install-extension ms-python.python
 
 
 USER ${USER}
 
 # USER CONFIGURATION
 # RUN ...
+RUN code-server --install-extension ms-python.python
 
 RUN openssl req -x509 -newkey rsa:4096 -keyout /home/${USER}/key.pem -out /home/${USER}/cert.pem -sha256 -nodes -days 365 -subj "/C=RU/ST=SamaraRegion/L=Samara/O=SSAU/OU=LIAV/CN=vscode.ssau.ru/"
 RUN mkdir -p /home/${USER}/.config/code-server