# kubectl set env

kubectl set envSynopsisUpdate environment variables on a pod template.List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definitions in one or more pod templates (within replication controllers or deployment configurations). View or modify the environment variable definitions on all containers in the specified pods or pod templates, or just those that match a wildcard.If "--env -" is passed, environment variables can be read from STDIN using the standard env syntax.Possible resources include (case insensitive): pod (po), replicationcontroller (rc), deployment (deploy), daemonset (ds), statefulset (sts), cronjob (cj), replicaset (rs) kubectl set env RESOURCE/NAME KEY_1=VAL_1 ... KEY_N=VAL_N Examples # Update deployment 'registry' with a new environment variable kubectl set env deployment/registry STORAGE_DIR=/local # List the environment variables defined on a deployments 'sample-build' kubectl set env deployment/sample-build --list # List the environment variables defined on all pods kubectl set env pods --all --list # Output modified deployment in YAML, and does not alter the object on the server kubectl set env deployment/sample-build STORAGE_DIR=/data -o yaml # Update all containers in all replication controllers in the project to have ENV=prod kubectl set env rc --all ENV=prod # Import environment from a secret kubectl set env --from=secret/mysecret deployment/myapp # Import environment from a config map with a prefix kubectl set env --from=configmap/myconfigmap --prefix=MYSQL_ deployment/myapp # Import specific keys from a config map kubectl set env --keys=my-example-key --from=configmap/myconfigmap deployment/myapp # Remove the environment variable ENV from container 'c1' in all deployment configs kubectl set env deployments --all --containers="c1" ENV- # Remove the environment variable ENV from a deployment definition on disk and # update the deployment config on the server kubectl set env -f deploy.json ENV- # Set some of the local shell environment into a deployment config on the server env | grep RAILS_ | kubectl set env -e - deployment/registry Options--allIf true, select all resources in the namespace of the specified resource types--allow-missing-template-keys Default: trueIf true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.-c, --containers string Default: "*"The names of containers in the selected pod templates to change - may use wildcards--dry-run string[="unchanged"] Default: "none"Must be "none", "server", or "client". If client strategy, only print the object that would be sent, without sending it. If server strategy, submit server-side request without persisting the resource.-e, --env stringsSpecify a key-value pair for an environment variable to set into each container.--field-manager string Default: "kubectl-set"Name of the manager used to track field ownership.-f, --filename stringsFilename, directory, or URL to files the resource to update the env--from stringThe name of a resource from which to inject environment variables-h, --helphelp for env--keys stringsComma-separated list of keys to import from specified resource-k, --kustomize stringProcess the kustomization directory. This flag can't be used together with -f or -R.--listIf true, display the environment and any changes in the standard format. this flag will removed when we have kubectl view env.--localIf true, set env will NOT contact api-server but run locally.-o, --output stringOutput format. One of: (json, yaml, name, go-template, go-template-file, template, templatefile, jsonpath, jsonpath-as-json, jsonpath-file).--overwrite Default: trueIf true, allow environment to be overwritten, otherwise reject updates that overwrite existing environment.--prefix stringPrefix to append to variable names-R, --recursiveProcess the directory used in -f, --filename recursively. Useful when you want to manage related manifests organized within the same directory.--resolveIf true, show secret or configmap references when listing variables-l, --selector stringSelector (label query) to filter on, supports '=', '==', '!=', 'in', 'notin'.(e.g. -l key1=value1,key2=value2,key3 in (value3)). Matching objects must satisfy all of the specified label constraints.--show-managed-fieldsIf true, keep the managedFields when printing objects in JSON or YAML format.--template stringTemplate string or path to template file to use when -o=go-template, -o=go-template-file. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview].Parent Options Inherited--as stringUsername to impersonate for the operation. User could be a regular user or a service account in a namespace.--as-group stringsGroup to impersonate for the operation, this flag can be repeated to specify multiple groups.--as-uid stringUID to impersonate for the operation.--cache-dir string Default: "$HOME/.kube/cache"Default cache directory--certificate-authority stringPath to a cert file for the certificate authority--client-certificate stringPath to a client certificate file for TLS--client-key stringPath to a client key file for TLS--cluster stringThe name of the kubeconfig cluster to use--context stringThe name of the kubeconfig context to use--disable-compressionIf true, opt-out of response compression for all requests to the server--insecure-skip-tls-verifyIf true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure--kubeconfig stringPath to the kubeconfig file to use for CLI requests.--kuberc stringPath to the kuberc file to use for preferences. This can be disabled by exporting KUBECTL_KUBERC=false feature gate or turning off the feature KUBERC=off.--match-server-versionRequire server version to match client version-n, --namespace stringIf present, the namespace scope for this CLI request--password stringPassword for basic authentication to the API server--profile string Default: "none"Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex)--profile-output string Default: "profile.pprof"Name of the file to write the profile to--request-timeout string Default: "0"The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests.-s, --server stringThe address and port of the Kubernetes API server--storage-driver-buffer-duration duration Default: 1m0sWrites in the storage driver will be buffered for this duration, and committed to the non memory backends as a single transaction--storage-driver-db string Default: "cadvisor"database name--storage-driver-host string Default: "localhost:8086"database host:port--storage-driver-password string Default: "root"database password--storage-driver-secureuse secure connection with database--storage-driver-table string Default: "stats"table name--storage-driver-user string Default: "root"database username--tls-server-name stringServer name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used--token stringBearer token for authentication to the API server--user stringThe name of the kubeconfig user to use--username stringUsername for basic authentication to the API server--version version[=true]--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version--warnings-as-errorsTreat warnings received from the server as errors and exit with a non-zero exit codeSee Alsokubectl set - Set specific features on objectsThis page is automatically generated.If you plan to report an issue with this page, mention that the page is auto-generated in your issue description. The fix may need to happen elsewhere in the Kubernetes project.