# Istio

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<a href="https://istio.io/">

readinessProbe | [readiness probes](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/)
replicaCount | [replica count](https://kubernetes.io/docs/concepts/workloads/controllers/deployment/)
hpaSpec | [HorizontalPodAutoscaler](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/)
podDisruptionBudget | [PodDisruptionBudget](https://kubernetes.io/docs/concepts/workloads/pods/disruptions/#how-disruption-budgets-work)

# with the appropriate version
version: 1.0.0
appVersion: 1.0.0
description: Helm chart for deploying Istio gateways
keywords:
  - istio
  - egressgateway
  - gateways
sources:
  - https://github.com/istio/istio
engine: gotpl

version: 1.0.0
appVersion: 1.0.0
tillerVersion: ">=2.7.2"
description: Helm chart for istio control plane
keywords:
  - istio
  - istiod
  - istio-discovery
sources:
  - https://github.com/istio/istio
engine: gotpl

# Istio Gateway Helm Chart

This chart installs an Istio gateway deployment.

## Setup Repo Info

```console
helm repo add istio https://istio-release.storage.googleapis.com/charts
helm repo update
```

_See [helm repo](https://helm.sh/docs/helm/helm_repo/) for command documentation._

## Installing the Chart

To install the chart with the release name `istio-ingressgateway`:

```console

      description: |-
        This is used to report product bugs:
        To report a security vulnerability, please visit <https://istio.io/about/security-vulnerabilities>.
        Any crashes are potentially security vulnerabilities and should be treated as such.
        To ask questions about how to use Istio, please visit <https://github.com/istio/istio/discussions>.
      options:
        - label: "This is not a security vulnerability or a crashing bug"

  ports:
    - port: 15010
      name: grpc-xds # plaintext
      protocol: TCP
    - port: 15012
      name: https-dns # mTLS with k8s-signed cert
      protocol: TCP
    - port: 443
      name: https-webhook # validation and injection
      targetPort: 15017
      protocol: TCP
    - port: 15014
      name: http-monitoring # prometheus stats
      protocol: TCP
  selector:
    app: istiod
    {{- if ne .Values.revision "" }}

    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021
      name: status-port
    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp

    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021
      name: status-port
    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp

    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021
      name: status-port
    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp