update README.md

Author: aesclever

README.md

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 ## NodeJS and Express
 
 I recently wrote this weather reporting app using the cloud editor `replit` where the bootstraping of node JS is hidden.  All I had to do was to focus on the core logic in app.js, style.css, and index.html.  To create a fully functional development environment locally, I needed to bootstrap NodeJS, Express to my replit code.  
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 ## Build Once, Run Anywhere!
 
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 hurricanemark/localweather   1.0         bb89b0646be4   6 minutes ago   949MB
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 **On the DockerHub registry**
 
 A docker image built with this `git-tag`:`Phase1-Extened-Weather-Forecasts` is available to the public on the DockerHub registry.  You can pull it with the command below:
 
 ```docker pull marknre/techrolemiweatherapp:latest```
 
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 ### Run docker
 
 Notice that environment variables (secret keys) required to run the app is not being included in the Dockerfile.  These secret keys will be stated with the container.  eg.  ` ... -e WEATHER_VISUALCROSSING_API_KEY=XXXXX -e WEATHERBIT_KEY=XXXXXXX`