Added an unprivileged user, an healthcheck and unbuffered outputs

Dockerfile

@@ -1,12 +1,18 @@
 FROM python:3.13-alpine
 
+RUN adduser -D user
+USER user
+
 WORKDIR /opt/rdgen
 
 COPY . .
-
 RUN pip install --no-cache-dir -r requirements.txt \
  && python manage.py migrate
 
+ENV PYTHONUNBUFFERED=1
+
 EXPOSE 8000
 
-CMD ["gunicorn", "-c", "gunicorn.conf.py", "rdgen.wsgi:application"]
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 CMD wget --spider 0.0.0.0:8000
+
+CMD ["/home/user/.local/bin/gunicorn", "-c", "gunicorn.conf.py", "rdgen.wsgi:application"]