Building a Resilient Continuous Deployment System

When was the last time a single developer did something really small and it made big impact? You can list them out or you can read it on Verge, BusinessInsider and on TheRegister. In a nutshell, Azer decided to unpublish left-pad, an 11-line NodeJS module on NPM, and it broke thousands of other NPM module installations that depended on it.

The impact of the absence of left-pad was felt mainly by services having a continuous integration or a continuous deployment system. I can but imagine the countless hours developers had to spend to patch up their CI/CD to prevent or fix a service outage.

The fact remains that our endeavour to deliver software quick and dirty is what has left us vulnerable. Vulnerable to a point where it is both disconcerting as well as lame

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