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Deploy with Helm

Deploy standalone agentgateway on Kubernetes with Helm.

Deploy agentgateway as a standalone Kubernetes workload by using the standalone Helm chart.

Use this chart when you want the standalone agentgateway binary model, but you want Kubernetes to run and expose the process for you. The chart does not install the agentgateway Kubernetes control plane or Gateway API resources. For the managed Kubernetes deployment model, see the Kubernetes documentation.

Before you begin

1. Create or use an existing Kubernetes cluster.
2. Install the following command-line tools.
   • kubectl, the Kubernetes command line tool.
   • helm, the Kubernetes package manager.

Install

Install the standalone Helm chart.

helm upgrade -i agentgateway-standalone \
  oci://cr.agentgateway.dev/charts/agentgateway-standalone \
  --namespace agentgateway-system \
  --create-namespace \
  --version v1.3.1

By default, the chart creates the following resources.

The gateway Service maps these ports by default. Note that by default, the http and https ports have listeners. The mcp and llm ports are exposed on the Service, but do not have backing listeners until you add one in the UI or the config in the Helm values file.

To install into a different namespace, set both the Helm release namespace and namespaceOverride.

helm upgrade -i agentgateway-standalone \
  oci://cr.agentgateway.dev/charts/agentgateway-standalone \
  --namespace agw \
  --create-namespace \
  --version v1.3.1 \
  --set namespaceOverride=agw

Verify the installation

Verify that the agentgateway pod is running.

kubectl get pods -n agentgateway-system \
  -l app.kubernetes.io/name=agentgateway-standalone

Example output:

NAME                                       READY   STATUS    RESTARTS   AGE
agentgateway-standalone-7f7b9d8c8-xmpl    1/1     Running   0          30s

Verify that the configuration volume is bound.

kubectl get pvc agentgateway-standalone-config -n agentgateway-system

Example output:

NAME                         STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
agentgateway-standalone-config   Bound    pvc-00000000-0000-0000-0000-000000000000   1Gi        RWO            standard       30s

Check the gateway and admin Services.

kubectl get svc -n agentgateway-system \
  -l app.kubernetes.io/name=agentgateway-standalone

Open the admin UI

The admin Service is internal by default. To open the UI locally, port-forward the admin Service.

kubectl port-forward -n agentgateway-system \
  svc/agentgateway-standalone-admin 15000:15000

Open http://localhost:15000/ui to get started.

Customize the configuration

The chart bootstraps /config/config.yaml on first install. By default, the bootstrap configuration enables the admin UI on 0.0.0.0:15000, uses SQLite at /config/data.db, and creates empty HTTP and HTTPS binds for ports 8080 and 8443.

Use the admin UI to add and save configuration updates after you install the chart. Throughout the rest of the standalone docs, whenever you see instructions to edit the configuration file, you can make the same change in the UI.

You can also manage the configuration file with Helm values. Use this approach when you want to provide raw config directly or keep the config in a Helm values file. You can provide structured Helm values in config, or provide the complete file as configYaml. If both are set, configYaml takes precedence.

config:
  config:
    adminAddr: 0.0.0.0:15000
    database:
      url: sqlite:///config/data.db
  binds:
  - port: 8080
    listeners: []
  - port: 8443
    listeners: []

configYaml: |
  config:
    adminAddr: 0.0.0.0:15000
    database:
      url: sqlite:///config/data.db
  binds:
  - port: 8080
    listeners: []
  - port: 8443
    listeners: []

The chart does not overwrite an existing /config/config.yaml by default. To force Helm upgrades to rewrite the file from chart values, set configBootstrap.overwrite=true.

helm upgrade -i agentgateway-standalone \
  oci://cr.agentgateway.dev/charts/agentgateway-standalone \
  --namespace agentgateway-system \
  --version v1.3.1 \
  -f values.yaml \
  --set configBootstrap.overwrite=true

Customize gateway listener ports

The default gateway Service exposes port 80 to container port 8080, port 443 to container port 8443, port 3000 to container port 3000, and port 4000 to container port 4000. To replace these defaults with a custom set of Service ports for listeners that you create in the UI or in the Helm values file, set gateway.service.ports.

gateway:
  service:
    ports:
    - name: custom-listener
      port: 9000
      targetPort: 9000
      protocol: TCP

You can also create additional Services for separate listener exposure.

gateway:
  extraServices:
  - name: private-listener
    type: ClusterIP
    ports:
    - name: private
      port: 3000
      targetPort: 3000
      protocol: TCP
  - name: public-listener
    type: LoadBalancer
    annotations:
      service.beta.kubernetes.io/aws-load-balancer-type: nlb
    ports:
    - name: public
      port: 80
      targetPort: 8080
      protocol: TCP

Scale the deployment

The chart defaults to one replica with SQLite on a ReadWriteOnce volume. This is the simplest mode for a standalone deployment.

To run more than one replica, deploy your own PostgreSQL instance and use shared ReadWriteMany config storage, or provide an existing claim that supports ReadWriteMany.

replicaCount: 2
strategy:
  type: RollingUpdate
persistence:
  storageClassName: efs-sc
  accessModes:
  - ReadWriteMany
database:
  type: postgres
  postgres:
    url: postgres://agw:[email protected]:5432/agw

Use a private image registry

For air-gapped or private registry environments, set global.imageRegistry to rewrite both the agentgateway image and the config bootstrap image registry.

global:
  imageRegistry: registry.internal.example.com
image:
  repository: platform/agentgateway
  tag: "1.3.1"
configBootstrap:
  image:
    repository: library/busybox
    tag: "1.36"

Upgrade

Upgrade the release by running helm upgrade with the new chart version.

helm upgrade -i agentgateway-standalone \
  oci://cr.agentgateway.dev/charts/agentgateway-standalone \
  --namespace agentgateway-system \
  --reuse-values \
  --version v1.3.1

Uninstall

Uninstall the Helm release.

helm uninstall agentgateway-standalone -n agentgateway-system

The uninstall command does not remove persistent volumes. To remove the default configuration PVC, delete it separately.

kubectl delete pvc agentgateway-standalone-config -n agentgateway-system