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# Enable Kubernetes on Docker Desktop for Mac/Windows in China
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[中文](README.md) | English
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NOTE:
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* The master branch is tested with Docker Desktop for Mac/Windows version 4.0.0 (with Docker CE 20.10.8 and Kubernetes 1.21.4).
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* If you want to use with other version, pls check version of Kubernetes，Docker -> About Docker Desktop
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* For Kubernetes v1.22.1, please use the v1.22.1 branch ```git checkout v1.22.1```
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* For Kubernetes v1.21.4, please use the v1.21.1 branch ```git checkout v1.21.4```
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* For Kubernetes v1.21.3, please use the v1.21.1 branch ```git checkout v1.21.3```
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* For Kubernetes v1.21.2, please use the v1.21.1 branch ```git checkout v1.21.2```
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* For Kubernetes v1.21.1, please use the v1.21.1 branch ```git checkout v1.21.1```
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* For Kubernetes v1.19.3, please use the v1.19.3 branch ```git checkout v1.19.3```
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* For Kubernetes v1.19.2, please use the v1.19.2 branch ```git checkout v1.19.2```
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* For Kubernetes v1.18.8, please use the v1.18.8 branch ```git checkout v1.18.8```
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* For Kubernetes v1.18.6, please use the v1.18.6 branch ```git checkout v1.18.6```
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* For Kubernetes v1.18.3, please use the v1.18.3 branch ```git checkout v1.18.3```
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* For Kubernetes v1.16.5, please use the v1.16.5 branch ```git checkout v1.16.5```
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* For Kubernetes v1.15.5, please use the v1.15.5 branch ```git checkout v1.15.5```
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* For Kubernetes v1.15.4, please use the v1.15.4 branch ```git checkout v1.15.4```
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* For Kubernetes v1.14.8, please use the v1.14.8 branch ```git checkout v1.14.8```
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* For Kubernetes v1.14.7, please use the v1.14.7 branch ```git checkout v1.14.7```
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* For Kubernetes v1.14.6, please use the v1.14.6 branch ```git checkout v1.14.6```
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* For Kubernetes v1.14.3, please use the v1.14.3 branch ```git checkout v1.14.3```
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* For Kubernetes v1.14.1, please use the v1.14.1 branch ```git checkout v1.14.1```
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* For Kubernetes v1.13.0, please use the v1.13.0 branch ```git checkout v1.13.0```
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* For Kubernetes v1.10.11, please use the v1.10.11 branch ```git checkout v1.10.11```
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### Enable Kubernetes on Docker Desktop
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Config registry mirror for Docker daemon with ```https://docker.mirrors.ustc.edu.cn``` only if in China
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Optional: config the CPU and memory for Kubernetes, 4GB RAM or more is suggested.
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Preload Kubernetes images form Alibaba Cloud Registry Service, NOTE: you can modify the ```images.properties``` for your own images
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On Mac, execute the following scripts
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```bash
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./load_images.sh
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```
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Or on Windows, execute the following scripts in PowerShell
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```powershell
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.\load_images.ps1
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```
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NOTE: if you failed to start PowerShell scripts for security policy, please execute ```Set-ExecutionPolicy RemoteSigned``` command in PowerShell with "Run as administrator" option.
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Enable Kubernetes, and wait a while for Kubernetes is running
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**TIPS**：
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On Mac:
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If facing problems when deploy Kubernetes, you can check ocker desktop application's log to get realtime log：
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```bash
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pred='process matches ".*(ocker|vpnkit).*"
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|| (process in {"taskgated-helper", "launchservicesd", "kernel"} && eventMessage contains[c] "docker")'
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/usr/bin/log stream --style syslog --level=debug --color=always --predicate "$pred"
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```
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On Windows:
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If facing problems when deploy Kubernetes, you can check docker log in C:\ProgramData\DockerDesktop\service.txt, check Kuberneteslog in C:\Users\yourUserName\AppData\Local\Docker\log.txt
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**problem diagnosis**：
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If you see Kubernetes stuck in Starting, please refer:
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* [Issue 3769(comment)](https://github.com/docker/for-win/issues/3769#issuecomment-486046718) or [Issue 3649(comment)](https://github.com/docker/for-mac/issues/3649#issuecomment-497441158)
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* On MacOS, execute ```rm -fr '~/Library/Group\ Containers/group.com.docker/pki'```
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* On Windows, delete folders 'C:\ProgramData\DockerDesktop\pki' and 'C:\Users\yourUserName\AppData\Local\Docker\pki'
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* [Issue 1962(comment)](https://github.com/docker/for-win/issues/1962#issuecomment-431091114)
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### Config Kubernetes
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Optional: switch the context to `docker-desktop` (In the former version, the context is `docker-for-desktop`)
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```shell
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kubectl config use-context docker-desktop
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```
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Verify Kubernetes installation
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```shell
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kubectl cluster-info
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kubectl get nodes
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```
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### Deploy Kubernetes dashboard
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#### Install Kubernetes dashboard
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```shell
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$ kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.4/aio/deploy/recommended.yaml
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```
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or
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```shell
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kubectl create -f kubernetes-dashboard.yaml
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```
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Check Kubernetes Dashboard status
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```shell
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kubectl get pod -n kubernetes-dashboard
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```
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Start proxy for API server
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```shell
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kubectl proxy
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```
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#### Access Kubernetes dashboard
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http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/
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#### Config Token for dashboard
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For Mac
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```bash
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TOKEN=$(kubectl -n kube-system describe secret default| awk '$1=="token:"{print $2}')
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kubectl config set-credentials docker-for-desktop --token="${TOKEN}"
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echo $TOKEN
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```
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For Windows
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```cmd
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$TOKEN=((kubectl -n kube-system describe secret default | Select-String "token:") -split " +")[1]
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kubectl config set-credentials docker-for-desktop --token="${TOKEN}"
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echo $TOKEN
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```
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#### Login dashboard
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Choose **Token**, and input the output from above result
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Or, choose **Kubeconfig**, select file from below path：
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```
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Win: %UserProfile%\.kube\config
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Mac: $HOME/.kube/config
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```
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Click login, go to Kubernetes Dashboard
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### Install Helm
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Install helm following the instruction on https://helm.sh/docs/intro/install/
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#### For Mac OS
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```shell
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# Use homebrew on Mac
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brew install helm
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# add helm repo
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helm repo add stable http://mirror.azure.cn/kubernetes/charts/
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# update charts repo
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helm repo update
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```
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#### For Windows
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```shell
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# Use Chocolatey on Windows
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# NOTE: please ensure you can access googleapis
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choco install kubernetes-helm
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# add helm repo
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helm repo add stable http://mirror.azure.cn/kubernetes/charts/
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# update charts repo
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helm repo update
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```
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### Setup Istio
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More details can be found in https://istio.io/docs/setup/getting-started/
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#### Download Istio 1.5.0 and install CLI
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```shell
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curl -L https://istio.io/downloadIstio | ISTIO_VERSION=1.5.0 sh -
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cd istio-1.5.0/
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export PATH=$PWD/bin:$PATH
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```
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In Windows, you can download the Istio manually, or copy ```getLatestIstio.ps1``` to your Istio directory, and execute the script.
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NOTE: It refer the [scripts](https://gist.github.com/kameshsampath/796060a806da15b39aa9569c8f8e6bcf) from community.
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```powershell
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.\getLatestIstio.ps1
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```
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#### Install Istio
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```shell
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istioctl manifest apply --set profile=demo
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```
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Check status of istio release
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```shell
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kubectl get pods -n istio-system
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```
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#### Enable automatic sidecar injection for ```default``` namespace
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```shell
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kubectl label namespace default istio-injection=enabled
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kubectl get namespace -L istio-injection
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```
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#### Install Book Info sample
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Please refer https://istio.io/docs/examples/bookinfo/
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```shell
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kubectl apply -f samples/bookinfo/platform/kube/bookinfo.yaml
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```
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Check the resources of sample application
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```shell
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kubectl get svc,pod
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```
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Confirm the application is running
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```shell
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kubectl exec -it $(kubectl get pod -l app=ratings -o jsonpath='{.items[0].metadata.name}') -c ratings -- curl productpage:9080/productpage | grep -o "<title>.*</title>"
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```
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Create Ingress Gateway
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```shell
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kubectl apply -f samples/bookinfo/networking/bookinfo-gateway.yaml
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```
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Check Gateway status
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```shell
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kubectl get gateway
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```
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Confirm the application is accessible
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```shell
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export GATEWAY_URL=localhost:80
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curl -s http://${GATEWAY_URL}/productpage | grep -o "<title>.*</title>"
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```
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Open with browser http://localhost/productpage
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#### Confirm application is running
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```shell
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export GATEWAY_URL=localhost:80
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curl -o /dev/null -s -w "%{http_code}\n" http://${GATEWAY_URL}/productpage
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```
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#### Cleanup sample application
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```shell
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samples/bookinfo/platform/kube/cleanup.sh
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```
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#### Delete Istio
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```shell
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istioctl manifest generate --set profile=demo | kubectl delete -f -
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```
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