sample backend deployment

backend/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3
+
+WORKDIR /app
+COPY Pipfile Pipfile.lock /app/
+
+RUN pip install pipenv
+RUN pipenv install --deploy --ignore-pipfile
+
+COPY . /src
+
+CMD ["pipenv", "run", "python", "/app/src/main.py"]