Now that our application is fully functional, it's time to test deploying new code updates to simulate active software development cycle.
Let's assume there is a change in product design of the homepage. It will lead to code change to the web-app source code. The product team feels the title of the web-app should be not be Seeker, but New-Seeker.
$ vim chapter-4/web-app/app/assets/javascripts/components/Layout.js
On line 60, I will change the <Header> value from Seeker to New-Seeker. So, when we open the web-service homepage, we should see the change, as shown here:.
$ cd chapter-4/web-app/app/assets/javascripts/
# The homepage code is written in ReactJS and uses Webpack. For more details, checkout chapter4/web-app/Readme.md
$ npm run build
$ sbt "project web-app" dist
Build and push the new docker image with a distinct tag:
$ docker...