In the Kubernetes world, we can have the environment variables set for the container within the Pod definition. ConfigMap - Kubernetes Example with YAML - Matthew Palmer To learn more about how resources work, see resources in YAML and security with resources . Click to see full answer. Create pod with commands. You can consume a ConfigMap via environment variables in a running container using the `envFrom` property. 1. Create PODs using YAML - Simplified Learning Instead of having the configuration map injected as environment variables, we can mount it as a volume so that it is represented as a file on the disk. A pod (as in a pod of whales or pea pod) is a group of one or more containers (such as Docker containers), the shared storage for those containers, and options about how to run the containers. For example, in your case you can do something like that: - name: POD_IP valueFrom: fieldRef: fieldPath: status.podIP - name: APPLICATION_SERVER value: "$ (POD_IP):8080". Your Java applications frequent changes … An environment variable is a variable whose value is stored not in the program we write but on an operating system level (or micro-service level). All of these follows similar structure. (Note: The KUBE_* variables are made available via the GitLab Kubernetes integration.) Use Kubernetes resources to target Kubernetes clusters in an environment for deployment. Kubernetes ConfigMaps usage to declare env variables Issue 1: Docker run-time outputs environment variables in plain text. Containerized applications are often configured using environment variables. ConfigMap defined environment variables in pod commands. spec: containers: - env: - name: var1 value: val1 kustomize variable substitutionchiot à donner 40chiot à donner 40 . This Environment is commonly used for resource management, node allocation, and sidecar containers. Environment variables in source code To enable your services to run in Bridge to Kubernetes without elevated privileges, replace any hardcoded references to the hostname with the environment variable.