Run simple flask app in docker

Write a Dockerfile for this flask app.

Dockerfile

Write a Dockerfile to run this app in a docker container.

• Python 3.6+ is required.
• Packages from requirements.txt must be installed into the python environment.
• The app itself can be started as python hello/app.py

Run docker container

The app must be accessible from localhost on port 5000 (http://localhost:5000/hello/<name> must return Hello <name>).

Build and run

Replace this part with list of docker commands do build and run the container with the app.