Bulk port forwarding Kubernetes services for local development.
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Kubernetes port forwarding for local development.

NOTE: Accepting pull requests for bug fixes, tests, and documentation only.

kubefwd - kubernetes bulk port forwarding

Build Status GitHub license Go Report Card GitHub release

kubefwd (Kube Forward)

Read Kubernetes Port Forwarding for Local Development for background and a detailed guide to kubefwd. Follow Craig Johnston on Twitter for project updates.

kubefwd is a command line utility built to port forward multiple services within one or more namespaces on one or more Kubernetes clusters. kubefwd uses the same port exposed by the service and forwards it from a loopback IP address on your local workstation. kubefwd temporally adds domain entries to your /etc/hosts file with the service names it forwards.

When working on our local workstation, my team and I often build applications that access services through their service names and ports within a Kubernetes namespace. kubefwd allows us to develop locally with services available as they would be in the cluster.

kubefwd - Kubernetes port forward

kubefwd - Kubernetes Port Forward Diagram


Tested directly on macOS and Linux based docker containers.

MacOs Install / Update

kubefwd assumes you have kubectl installed and configured with access to a Kubernetes cluster. kubefwd uses the kubectl current context. The kubectl configuration is not used. However, its configuration is needed to access a Kubernetes cluster.

Ensure you have a context by running:

kubectl config current-context

If you are running MacOS and use homebrew you can install kubefwd directly from the txn2 tap:

brew install txn2/tap/kubefwd

To upgrade:

brew upgrade kubefwd

Windows Install / Update

scoop install kubefwd

To upgrade:

scoop update kubefwd


Forward all services from the namespace the-project to a Docker container named the-project:

docker run -it --rm --privileged --name the-project \
    -v "$(echo $HOME)/.kube/":/root/.kube/ \
    txn2/kubefwd services -n the-project

Execute a curl call to an Elasticsearch service in your Kubernetes cluster:

docker exec the-project curl -s elasticsearch:9200

Alternative Installs (tar.gz, RPM, deb)

Check out the releases section on Github for alternative binaries.


Fork kubefwd and build a custom version. Accepting pull requests for bug fixes, tests, stability and compatibility enhancements, and documentation only.


Forward all services for the namespace the-project. Kubefwd finds the first Pod associated with each Kubernetes service found in the Namespace and port forwards it based on the Service spec to a local IP address and port. A domain name is added to your /etc/hosts file pointing to the local IP.


Forwarding of headlesss Service is currently supported, Kubefwd forward all Pods for headless service; At the same time, the namespace-level service monitoring is supported. When a new service is created or the old service is deleted under the namespace, kubefwd can automatically start/end forwarding; Supports Pod-level forwarding monitoring. When the forwarded Pod is deleted (such as updating the deployment, etc.), the forwarding of the service to which the pod belongs is automatically restarted;

sudo kubefwd svc -n the-project

Forward all svc for the namespace the-project where labeled system: wx:

sudo kubefwd svc -l system=wx -n the-project

Forward a single service named my-service in the namespace the-project:

sudo kubefwd svc -n the-project -f metadata.name=my-service

Forward more than one service using the in clause:

sudo kubefwd svc -l "app in (app1, app2)"


$ kubefwd svc --help

INFO[00:00:48]  _          _           __             _     
INFO[00:00:48] | | ___   _| |__   ___ / _|_      ____| |    
INFO[00:00:48] | |/ / | | | '_ \ / _ \ |_\ \ /\ / / _  |    
INFO[00:00:48] |   <| |_| | |_) |  __/  _|\ V  V / (_| |    
INFO[00:00:48] |_|\_\\__,_|_.__/ \___|_|   \_/\_/ \__,_|    
INFO[00:00:48] Version 0.0.0                                
INFO[00:00:48] https://github.com/txn2/kubefwd              
Forward multiple Kubernetes services from one or more namespaces. Filter services with selector.

  kubefwd services [flags]

  services, svcs, svc

  kubefwd svc -n the-project
  kubefwd svc -n the-project -l app=wx,component=api
  kubefwd svc -n default -l "app in (ws, api)"
  kubefwd svc -n default -n the-project
  kubefwd svc -n default -d internal.example.com
  kubefwd svc -n the-project -x prod-cluster
  kubefwd svc -n the-project -m 80:8080 -m 443:1443
  kubefwd svc -n the-project -z path/to/conf.yml
  kubefwd svc -n the-project -r svc.ns:
  kubefwd svc --all-namespaces

  -A, --all-namespaces          Enable --all-namespaces option like kubectl.
  -x, --context strings         specify a context to override the current context
  -d, --domain string           Append a pseudo domain name to generated host names.
  -f, --field-selector string   Field selector to filter on; supports '=', '==', and '!=' (e.g. -f metadata.name=service-name).
  -z, --fwd-conf string         Define an IP reservation configuration
  -h, --help                    help for services
  -c, --kubeconfig string       absolute path to a kubectl config file
  -m, --mapping strings         Specify a port mapping. Specify multiple mapping by duplicating this argument.
  -n, --namespace strings       Specify a namespace. Specify multiple namespaces by duplicating this argument.
  -r, --reserve strings         Specify an IP reservation. Specify multiple reservations by duplicating this argument.
  -l, --selector string         Selector (label query) to filter on; supports '=', '==', and '!=' (e.g. -l key1=value1,key2=value2).
  -v, --verbose                 Verbose output.


Apache License 2.0


Open source utility by Craig Johnston, imti blog and sponsored by Deasil Works, Inc.

Please check out my book Advanced Platform Development with Kubernetes: Enabling Data Management, the Internet of Things, Blockchain, and Machine Learning.

Book Cover - Advanced Platform Development with Kubernetes: Enabling Data Management, the Internet of Things, Blockchain, and Machine Learning

Source code from the book Advanced Platform Development with Kubernetes: Enabling Data Management, the Internet of Things, Blockchain, and Machine Learning by Craig Johnston (@cjimti) ISBN 978-1-4842-5610-7 Apress; 1st ed. edition (September, 2020)

Read my blog post Advanced Platform Development with Kubernetes for more info and background on the book.

Follow me on Twitter: @cjimti (Craig Johnston)

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