Configuration and deploy script for k8s on ACS
This commit is contained in:
Charles Lowell
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26
k8s/README.md
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26
k8s/README.md
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# eShopOnContainers on Kubernetes
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This directory contains Kubernetes configuration for the eShopOnContainers app and a PowerShell script to deploy it to a cluster. Each microservice has a deployment configuration in `deployments.yaml`, and is exposed to the cluster by a service in `services.yaml`. The microservices are exposed externally on individual routes (`/basket-api`, `/webmvc`, etc.) by an nginx reverse proxy as specified in `frontend.yaml` and `nginx.conf`.
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## Deploying the application
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### Prerequisites
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* A Docker build host.
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* A private Docker registry. Follow Azure Container Registry's [guide](https://docs.microsoft.com/en-us/azure/container-registry/container-registry-get-started-portal) to create one.
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* A Kubernetes cluster. Follow Azure Container Service's [walkthrough](https://docs.microsoft.com/en-us/azure/container-service/container-service-kubernetes-walkthrough) to create one.
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### Run the deployment script
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1. Open a PowerShell command line at `eShopOnContainers/k8s`.
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1. Ensure `docker`, `docker-compose`, and `kubectl` are on the path, and configured for your Docker machine and Kubernetes cluster.
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1. Run `deploy.ps1` with your registry information. For example:
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```
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./deploy.ps1 -registry myregistry.azurecr.io -dockerUser User -dockerPassword SecretPassword
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```
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The Docker username and password are provided by Azure Container Registry, and can be retrieved from the Azure portal.
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The script will build the code and corresponding Docker images, push the latter to your registry, and deploy the application to your Kubernetes cluster.
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TODOs
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=====
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* Host WebSPA at `/webspa`
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* This is blocked on correct relative URLs for images. Presently these are set at build by webpack, which isn't aware of where the app will be sited. An Angular solution might exist. Another option is to encode the images in base64.
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* Debug microservice resiliency issues--some microservices can enter failure states requiring their pod to be recreated.
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* Respond to `kubectl` failures in `deploy.ps1`.
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80
k8s/deploy.ps1
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80
k8s/deploy.ps1
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Param(
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[parameter(Mandatory=$true)][string]$registry,
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[parameter(Mandatory=$true)][string]$dockerUser,
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[parameter(Mandatory=$true)][string]$dockerPassword
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)
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$requiredCommands = ("docker", "docker-compose", "kubectl")
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foreach ($command in $requiredCommands) {
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if ((Get-Command $command -ErrorAction SilentlyContinue) -eq $null) {
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Write-Host "$command must be on path" -ForegroundColor Red
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exit
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}
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}
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Write-Host "Logging in to $registry" -ForegroundColor Yellow
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docker login -u $dockerUser -p $dockerPassword $registry
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if (-not $LastExitCode -eq 0) {
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Write-Host "Login failed" -ForegroundColor Red
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exit
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}
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# create registry key secret
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kubectl create secret docker-registry registry-key `
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--docker-server=$registry `
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--docker-username=$dockerUser `
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--docker-password=$dockerPassword `
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--docker-email=not@used.com
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# start sql and frontend deployments
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kubectl create configmap config-files --from-file=nginx-conf=nginx.conf
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kubectl label configmap config-files app=eshop
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kubectl create -f sql-data.yaml -f services.yaml -f frontend.yaml
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Write-Host "Building solution..." -ForegroundColor Yellow
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../cli-windows/build-bits-simple.ps1
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Write-Host "Building Docker images..." -ForegroundColor Yellow
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docker-compose -p .. -f ../docker-compose.yml build
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Write-Host "Pushing images to $registry..." -ForegroundColor Yellow
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$services = ("basket.api", "catalog.api", "identity.api", "ordering.api", "webmvc", "webspa")
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foreach ($service in $services) {
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docker tag eshop/$service $registry/$service
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docker push $registry/$service
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}
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Write-Host "Waiting for frontend's external ip..." -ForegroundColor Yellow
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while ($true) {
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$frontendUrl = kubectl get svc frontend -o=jsonpath="{.status.loadBalancer.ingress[0].ip}" 2> $_
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if ([bool]($frontendUrl -as [ipaddress])) {
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break
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}
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Start-Sleep -s 15
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}
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kubectl create configmap urls `
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--from-literal=BasketUrl=http://$($frontendUrl)/basket-api `
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--from-literal=CatalogUrl=http://$($frontendUrl)/catalog-api `
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--from-literal=IdentityUrl=http://$($frontendUrl)/identity `
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--from-literal=OrderingUrl=http://$($frontendUrl)/ordering-api `
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--from-literal=MvcClient=http://$($frontendUrl)/webmvc `
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--from-literal=SpaClient=http://$($frontendUrl)
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kubectl label configmap urls app=eshop
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# TODO verify database readiness?
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Write-Host "Creating deployments..."
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kubectl apply -f deployments.yaml
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# update deployments with the private registry
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# (deployment templating, or Helm, would obviate this)
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kubectl set image -f deployments.yaml `
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basket=$registry/basket.api `
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catalog=$registry/catalog.api `
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identity=$registry/identity.api `
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ordering=$registry/ordering.api `
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webmvc=$registry/webmvc `
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webspa=$registry/webspa
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kubectl rollout resume -f deployments.yaml
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Write-Host "WebSPA is exposed at http://$frontendUrl, WebMVC at http://$frontendUrl/webmvc" -ForegroundColor Yellow
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242
k8s/deployments.yaml
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242
k8s/deployments.yaml
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: basket
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spec:
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paused: true
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template:
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metadata:
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labels:
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app: eshop
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component: basket
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spec:
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containers:
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- name: basket
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image: eshop/basket.api
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imagePullPolicy: Always
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env:
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- name: ASPNETCORE_ENVIRONMENT
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value: Development
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- name: ASPNETCORE_URLS
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value: http://0.0.0.0:80/basket-api
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- name: ConnectionString
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value: 127.0.0.1
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- name: IdentityUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: IdentityUrl
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ports:
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- containerPort: 80
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- name: basket-data
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image: redis
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ports:
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- containerPort: 6379
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imagePullSecrets:
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- name: registry-key
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: catalog
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spec:
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paused: true
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template:
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metadata:
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labels:
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app: eshop
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component: catalog
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spec:
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containers:
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- name: catalog
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image: eshop/catalog.api
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imagePullPolicy: Always
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env:
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- name: ASPNETCORE_ENVIRONMENT
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value: Development
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- name: ASPNETCORE_URLS
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value: http://0.0.0.0:80/catalog-api
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- name: ConnectionString
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value: "Server=sql-data;Initial Catalog=Microsoft.eShopOnContainers.Services.CatalogDb;User Id=sa;Password=Pass@word"
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- name: ExternalCatalogBaseUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: CatalogUrl
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ports:
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- containerPort: 80
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imagePullSecrets:
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- name: registry-key
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: identity
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spec:
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paused: true
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template:
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metadata:
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labels:
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app: eshop
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component: identity
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spec:
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containers:
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- name: identity
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image: eshop/identity.api
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imagePullPolicy: Always
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env:
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- name: ASPNETCORE_ENVIRONMENT
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value: Development
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- name: ASPNETCORE_URLS
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value: http://0.0.0.0:80/identity
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- name: ConnectionStrings__DefaultConnection
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value: "Server=sql-data;Initial Catalog=Microsoft.eShopOnContainers.Services.CatalogDb;User Id=sa;Password=Pass@word"
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- name: MvcClient
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valueFrom:
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configMapKeyRef:
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name: urls
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key: MvcClient
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- name: SpaClient
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valueFrom:
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configMapKeyRef:
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name: urls
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key: SpaClient
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ports:
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- containerPort: 80
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imagePullSecrets:
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- name: registry-key
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: ordering
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spec:
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paused: true
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template:
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metadata:
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labels:
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app: eshop
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component: ordering
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spec:
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containers:
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- name: ordering
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image: eshop/ordering.api
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imagePullPolicy: Always
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env:
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- name: ASPNETCORE_ENVIRONMENT
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value: Development
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- name: ASPNETCORE_URLS
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value: http://0.0.0.0:80/ordering-api
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- name: ConnectionString
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value: "Server=sql-data;Database=Microsoft.eShopOnContainers.Services.OrderingDb;User Id=sa;Password=Pass@word;"
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- name: IdentityUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: IdentityUrl
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ports:
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- containerPort: 80
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imagePullSecrets:
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- name: registry-key
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: webmvc
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spec:
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paused: true
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template:
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metadata:
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labels:
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app: eshop
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component: webmvc
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spec:
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containers:
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- name: webmvc
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image: eshop/webmvc
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imagePullPolicy: Always
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env:
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- name: ASPNETCORE_ENVIRONMENT
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value: Development
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- name: ASPNETCORE_URLS
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value: http://0.0.0.0:80/webmvc
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- name: BasketUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: BasketUrl
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- name: CallBackUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: MvcClient
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- name: CatalogUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: CatalogUrl
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- name: IdentityUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: IdentityUrl
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- name: OrderingUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: OrderingUrl
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ports:
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- containerPort: 80
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imagePullSecrets:
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- name: registry-key
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: webspa
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spec:
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paused: true
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template:
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metadata:
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labels:
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app: eshop
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component: webspa
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spec:
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containers:
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- name: webspa
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image: eshop/webspa
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imagePullPolicy: Always
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env:
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- name: ASPNETCORE_ENVIRONMENT
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value: Development
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- name: ASPNETCORE_URLS
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value: http://0.0.0.0:80
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- name: BasketUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: BasketUrl
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- name: CallBackUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: SpaClient
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- name: CatalogUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: CatalogUrl
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- name: IdentityUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: IdentityUrl
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- name: OrderingUrl
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valueFrom:
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configMapKeyRef:
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name: urls
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key: OrderingUrl
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ports:
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- containerPort: 80
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imagePullSecrets:
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- name: registry-key
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47
k8s/frontend.yaml
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47
k8s/frontend.yaml
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: eshop
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component: frontend
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name: frontend
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spec:
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ports:
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- port: 80
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targetPort: 8080
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selector:
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app: eshop
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component: frontend
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type: LoadBalancer
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: frontend
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spec:
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template:
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metadata:
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labels:
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app: eshop
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component: frontend
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spec:
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containers:
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- name: nginx
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image: nginx:1.11.10-alpine
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imagePullPolicy: IfNotPresent
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ports:
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- containerPort: 8080
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lifecycle:
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preStop:
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exec:
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command: ["/usr/sbin/nginx","-s","quit"]
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volumeMounts:
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- name: config
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mountPath: /etc/nginx
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volumes:
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- name: config
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configMap:
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name: config-files
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items:
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- key: nginx-conf
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path: nginx.conf
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74
k8s/nginx.conf
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74
k8s/nginx.conf
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pid /tmp/nginx.pid;
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worker_processes 1;
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events {
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worker_connections 1024;
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}
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http {
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server_tokens off;
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add_header X-Frame-Options SAMEORIGIN;
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add_header X-Content-Type-Options nosniff;
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add_header X-XSS-Protection "1; mode=block";
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client_body_temp_path /tmp/client_body;
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fastcgi_temp_path /tmp/fastcgi_temp;
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proxy_temp_path /tmp/proxy_temp;
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scgi_temp_path /tmp/scgi_temp;
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uwsgi_temp_path /tmp/uwsgi_temp;
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gzip on;
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gzip_comp_level 6;
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gzip_min_length 1024;
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gzip_buffers 4 32k;
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gzip_types text/plain application/javascript text/css;
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gzip_vary on;
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keepalive_timeout 65;
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proxy_buffer_size 128k;
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proxy_buffers 4 256k;
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proxy_busy_buffers_size 256k;
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server {
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listen 8080;
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location /basket-api {
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proxy_pass http://basket;
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proxy_redirect off;
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proxy_set_header Host $host;
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}
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location /catalog-api {
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proxy_pass http://catalog;
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proxy_redirect off;
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proxy_set_header Host $host;
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}
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location /identity {
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proxy_pass http://identity;
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proxy_redirect off;
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proxy_set_header Host $host;
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}
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location /ordering-api {
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proxy_pass http://ordering;
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proxy_redirect off;
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proxy_set_header Host $host;
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}
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location /webmvc {
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proxy_pass http://webmvc;
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proxy_redirect off;
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proxy_set_header Host $host;
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}
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location / {
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proxy_pass http://webspa;
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proxy_redirect off;
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proxy_set_header Host $host;
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}
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}
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}
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83
k8s/services.yaml
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83
k8s/services.yaml
Normal file
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: eshop
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component: basket
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name: basket
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spec:
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ports:
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- port: 80
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selector:
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app: eshop
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component: basket
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---
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: eshop
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component: catalog
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name: catalog
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spec:
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ports:
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- port: 80
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selector:
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app: eshop
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component: catalog
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---
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: eshop
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component: identity
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name: identity
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spec:
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ports:
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- port: 80
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||||
selector:
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||||
app: eshop
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component: identity
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---
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apiVersion: v1
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||||
kind: Service
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metadata:
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labels:
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app: eshop
|
||||
component: ordering
|
||||
name: ordering
|
||||
spec:
|
||||
ports:
|
||||
- port: 80
|
||||
selector:
|
||||
app: eshop
|
||||
component: ordering
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
labels:
|
||||
app: eshop
|
||||
component: webmvc
|
||||
name: webmvc
|
||||
spec:
|
||||
ports:
|
||||
- port: 80
|
||||
selector:
|
||||
app: eshop
|
||||
component: webmvc
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
labels:
|
||||
app: eshop
|
||||
component: webspa
|
||||
name: webspa
|
||||
spec:
|
||||
ports:
|
||||
- port: 80
|
||||
selector:
|
||||
app: eshop
|
||||
component: webspa
|
||||
33
k8s/sql-data.yaml
Normal file
33
k8s/sql-data.yaml
Normal file
@ -0,0 +1,33 @@
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
labels:
|
||||
app: eshop
|
||||
component: sql-data
|
||||
name: sql-data
|
||||
spec:
|
||||
ports:
|
||||
- port: 1433
|
||||
selector:
|
||||
app: eshop
|
||||
component: sql-data
|
||||
---
|
||||
apiVersion: extensions/v1beta1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: sql-data
|
||||
spec:
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: eshop
|
||||
component: sql-data
|
||||
spec:
|
||||
containers:
|
||||
- name: sql-data
|
||||
image: microsoft/mssql-server-linux:ctp1-3
|
||||
env:
|
||||
- name: ACCEPT_EULA
|
||||
value: "Y"
|
||||
- name: SA_PASSWORD
|
||||
value: Pass@word
|
||||
Loading…
x
Reference in New Issue
Block a user