October 2017
Intermediate to advanced
326 pages
7h 20m
English
Content preview from Implementing Modern DevOps
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The cost of fixing a bug
Once we have made it clear that we have a communication problem, bugs are expected to arise during our process. Either a misalignment with the requirements or even the requirements being wrong usually leads to a defect that could prevent us from deploying the application to production and delay everything.
In waterfall, fixing a bug is increasingly possible in every step we take. For example, fixing a bug in the requirements phase is very straightforward: just update the diagrams/documentation, and we are done. If the same bug is captured by a QA engineer in the verification phase, we need to:
- Update the documents/diagrams
- Create a new version of the application
- Deploy the new version to the QA environment
If the ...