dockerize app + add celery + impl pushpin for message events

Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.10
+
+ENV PYTHONUNBUFFERED 1
+ENV DJANGO_SETTINGS_MODULE mumui.settings
+
+RUN mkdir /app
+WORKDIR /app
+
+RUN apt update && apt install -y
+
+COPY startup.sh /app/
+COPY requirements.txt /app/
+
+RUN pip install -r requirements.txt
+
+ENTRYPOINT [ "/app/startup.sh" ]
+
+EXPOSE 8000