Update website dynamically in docker

[LiNk-NY]

Hi Lori, @lshep

Is it possible to have the website update dynamically on localhost:3000
so that it is sensitive to the changes being tested?

Thanks!

[lshep]

@LiNk-NY I didn't create the docker for the website; I always build, test, rake locally which does update. maybe @nturaga would know?