Kubernetes ConfigMaps

A ConfigMap is an API object used to store non-confidential data in key-value pairs. Pods can consume ConfigMaps as environment variables, command-line arguments, or as configuration files in a volume. https://kubernetes.io/docs/concepts/configuration/configmap/

• kubectl create configmap

kubectl create configmap <map-name> <data-source>

• kubectl get configmaps
• kubectl describe configmaps YOUR_CONFIG_MAP_NAME

EKS

• kubectl edit -n kube-system configmap/aws-auth

Activities

• CKA v1.23: Use ConfigMaps and Secrets to configure applications
• CKA v1.15: Understand ConfigMaps

Related terms

• Deployment
• Service
• Secrets
• Terraform: kubernetes_config_map https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/config_map (ConfigMap)
• kind: ConfigMap
• Kubernetes config map
• Sidecar container

See also

• ConfigMaps: kubectl [ get | edit | describe | create | delete ] configmaps, aws-auth, Kustomize, kind: ConfigMap, ConfigMapRef, envFrom
• Kubectl information commands: cluster-info | view | pods | nodes | services | version | describe | logs
• kubectl: [ cp | config | create | delete | edit | explain | apply | exec | get | set | drain | uncordon | rolling-update | rollout | logs | run | auth | label | annotate | version | top | diff | debug | replace | describe | port-forward | proxy | scale | rollout | api-resources | expose deployment | expose | patch | attach | get endpoints | ~/.kube/config | kubectl logs --help | kubectl --help, kubectl-convert, kubectl autoscale, kubectl.kubernetes.io