added Dockerfile

Dockerfile

@@ -0,0 +1,16 @@
+FROM python:3.9.15-alpine3.16
+
+RUN python3 -m ensurepip && pip3 install --upgrade pip setuptools wheel
+WORKDIR /opt/app
+
+COPY ./requirements.txt /tmp/
+RUN pip3 install -r /tmp/requirements.txt
+
+COPY . /opt/app/
+
+EXPOSE 8000
+
+ENV PYTHONUNBUFFERED 1
+
+RUN python manage.py collectstatic --noinput
+CMD python manage.py runserver 0.0.0.0:8000