DockerImage Forked FF-4873 to master: Image ubuntu#1

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balindersingh wants to merge 7 commits intoformstack:masterfrom balindersingh:image-ubuntu

+68-15

Commits on Aug 25, 2019

Updated base image to use .net core image based off alpine and add some browser drivers to run selenium and some othe utility packages
balinder
committed
Updated read me to add more details about packages
balinder
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Commits on Jan 17, 2020

Commits on Jan 18, 2020

updated docker image to use ubuntu
balinder
committed
updated docker image to use ubuntu and fix some typos in ubuntu
balinder
committed

Commits on Mar 7, 2020

updated gecko driver version to latest (26.0) for firefox latest 73.0 version
balinder
committed