configmap

Using Kubernetes ConfigMaps to define your Quarkus application’s properties

Using Kubernetes ConfigMaps to define your Quarkus application’s properties

So, you wrote your Quarkus application, and now you want to deploy it to a Kubernetes cluster. Good news: Deploying a Quarkus application to a Kubernetes cluster is easy. Before you do this, though, you need to straighten out your application’s properties. After all, your app probably has to connect with a database, call other services, and so on. These settings are already defined in your application.properties file, but the values match the ones for your local environment and won’t work once deployed onto your cluster.

So, how do you easily solve this problem? Let’s walk through an example.

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Configuring Spring Boot on Kubernetes with ConfigMap

ConfigMaps is the Kubernetes counterpart of the Spring Boot externalized configuration. ConfigMaps is a simple key/value store, which can store simple values to files. In this post  “Configuring Spring Boot on Kubernetes with ConfigMap”,  we will see how to use ConfigMaps to externalize the application configuration.

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