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Last active November 27, 2016 21:55
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cd iac.md

I'm really interested in how y'all are doing Continuous Integration/Deployment of your Infrastructure-as-Code (particularly CloudFormation), especially without disruption to users!

Specifically, I'm trying to automate a "manual CloudFormation setup". Right now that's "templates in git with humans periodically run update-stack"; ideally it would become "PR merged? Rolling out the change".

(Part of me feels like I have "too many questions" and really just need to see a working setup, but hey)

  • Are you doing immutable deployments? If so how do you handle DNS flipping / SSL registration?
  • Where do you keep your templates? Same repo as the app? Elsewhere?
  • How do you handle "config"? CloudFormation templates have Parameters, great, but where/how do you source that data?
  • How do you handle promotion? When you've rolled out updated templates to dev and it all looks good, how do you make them live?

If you're not doing CI/CD with IaC then please, tell me what you are doing? Artisanally hand-crafted AWS setups? Manually-pushed Terraform....thingies? What're you doing?

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