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Doesn't show any automated verification of code in deployed fashion, no load tests or verifications which would be part of a world class pipeline. Also no canary or red-blue tree type rollout hooked to sentry. At least it has a staging but don't know what they're using it for other than to test migrations before promoting to prod. Nice little write up but far from world class.

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Exactly - continuous deployment is about moving some/most testing to production, not eliminating it altogether.

Acceptance testing the system once deployed is the cornerstone of organisational acceptance of the CD doctrine - errors will always happen, it's just that they can now be fixed much faster in production.

Using an acceptance test suite as a deployment safety harness should dramatically increase the quality of tests, and hopefully the application too.

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