Beginning Kubernetes on the Google Cloud Platform by Ernesto Garbarino

Author:Ernesto Garbarino
Language: eng
Format: epub
ISBN: 9781484254912
Publisher: Apress

© Ernesto Garbarino 2019

E. GarbarinoBeginning Kubernetes on the Google Cloud Platformhttps://doi.org/10.1007/978-1-4842-5491-2_5

5. ConfigMap and Secrets

Ernesto Garbarino1

(1)EGHAM, UK

One key principle of cloud native applications is that of externalized configuration. In the Twelve-Factor App methodology, this architectural property is best described by factor III. A relevant passage within this factor, at https://12factor.net/config, reads:The twelve-factor app stores config in environment variables (often shortened to env vars or env). Env vars are easy to change between deploys without changing any code; unlike config files, there is little chance of them being checked into the code repo accidentally; and unlike custom config files, or other config mechanisms such as Java System Properties, they are a language- and OS-agnostic standard.

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