add docker

dockerfile

@@ -0,0 +1,15 @@
+FROM python:3.13
+
+WORKDIR /opt/rdgen
+
+COPY . .
+
+RUN python -m venv rdgen
+RUN chmod +x rdgen/bin/activate
+RUN /bin/sh -c rdgen/bin/activate
+RUN pip install --no-cache-dir -r requirements.txt
+RUN python manage.py migrate
+
+EXPOSE 8000
+
+CMD ["gunicorn", "-c", "gunicorn.conf.py", "rdgen.wsgi:application"]