November 2017
Intermediate to advanced
298 pages
7h 10m
English
Content preview from Deployment with Docker
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Blue-turquoise-green deployments
With deployments of code, things get a bit trickier because changing APIs on either the input or output sides or the database schema can wreak havoc on a cluster with interspersed versions of code. To get around this problem, there is a modified blue-green deployment pattern called blue-turquoise-green deployment where the code is attempted to be kept compatible with all running versions until the new code is deployed, after which the service is again updated by removing the compat code.
The process here is pretty simple:
- The service that uses API version x is replaced with a new version of the service that supports both API version x and API version (x+1) in a rolling fashion. This provides zero downtime ...
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