Can anyone explain if this is just an alternate approach to options as circleCI (<a href="https:&#x2F;&#x2F;circleci.com&#x2F;docs&#x2F;docker&#x2F;" rel="nofollow">https:&#x2F;&#x2F;circleci.com&#x2F;docs&#x2F;docker&#x2F;</a>) and similar, or an improved approach?