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I think you mean CD “Hello World”, not CI. You can make a “hello world” web app (or even just an API endpoint) in your favorite language and set it up to deploy on each commit.

CD means each commit that passes tests is deployed

CI means your code is regularly integrated (merged) vs having long QA / code review cycles.

CI and CD work great together but you can have one without the other.

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Yes, I want to better understand the process of committing code to the repository of an application, have it run automated tests, report via a communications tool the result, and automatically deploy if successful. Understanding this efficient process is high in demand and thus highly profitable.

I've created and worked on several projects that have involved APIs, reading from Zendesk, and writing to Slack or HTML, among other places. I've supported Jenkins and related tools multiple times in production. Now I want to fill this gap in my knowledge.

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