Nginx/Node/Redis and Flask/Redis Compose example (#222)

* Added Node, Nginx and Redis Project
* Added Flask/Redis

flask-redis/Dockerfile

@@ -0,0 +1,6 @@
+FROM python:3.11.0a6-alpine3.15
+WORKDIR /code
+COPY requirements.txt /code
+RUN pip install -r requirements.txt --no-cache-dir
+COPY . /code
+CMD python app.py