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I followed a couple of sessions the continuous delivery by Sam Newman, Michael T. Nygard (author of Release It) and Jez Humble (author of Continuous Delivery).
Continuous Integration is a prerequisite of Continuous Delivery, but many still don’t use apply Continuous Integration to their solution, with daily incremental check-ins, automated build and unit tests.
To simplify Continuous Delivery, everything must be automated. To ease the task of automation, things must be simplified. To simplify, start by decomposing the system into manageable pieces, so each can be deployed separately. How?
Decompose the system into disconnected services makes it easier to deploy a subset of the system. This limits the impact of a deployment. It even makes it possible to mitigate the risk further by making small incremental changes by only deploying one subsystem at the time.
These services have to be structured as application silos and share nothing, not even the database schema.
By automating and decomposing your system into disconnected application silo services you too can do Continuous Delivery.
I’m looking forward to the last day of the conference tomorrow.