Update .gitlab-ci.yml

Dockerfile

@@ -7,6 +7,11 @@ COPY ui ui
 COPY manage.py manage.py
 COPY requirements.txt requirements.txt
 RUN pip install -r requirements.txt
+
+RUN useradd -ms /bin/bash django
+RUN chown -R django .
+
+USER django
 RUN python manage.py collectstatic
 
 CMD ["gunicorn","-b",":8000", "-w", "4", "config.wsgi"]