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‎kube-manifests/.DS_Store

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‎kube-manifests/01-Webserver-Apps/01-NginxApp1-Deployment.yml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: app1-nginx-deployment
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labels:
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app: app1-nginx
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: app1-nginx
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template:
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metadata:
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labels:
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app: app1-nginx
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spec:
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containers:
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- name: app1-nginx
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image: stacksimplify/kube-nginxapp1:1.0.0
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ports:
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- containerPort: 80
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# To schedule pods on based on NodeSelectors
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nodeSelector:
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app: system-apps
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‎kube-manifests/01-Webserver-Apps/02-NginxApp1-LoadBalancer-Service.yml

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apiVersion: v1
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kind: Service
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metadata:
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name: app1-nginx-clusterip-service
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labels:
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app: app1-nginx
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spec:
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type: LoadBalancer
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selector:
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app: app1-nginx
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ports:
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- port: 80
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targetPort: 80

‎kube-manifests/02-Java-Apps/00-storage-class.yml

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apiVersion: storage.k8s.io/v1
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kind: StorageClass
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metadata:
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name: managed-premium-retain-sc
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provisioner: kubernetes.io/azure-disk
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reclaimPolicy: Retain # Default is Delete, recommended is retain
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volumeBindingMode: WaitForFirstConsumer # Default is Immediate, recommended is WaitForFirstConsumer
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allowVolumeExpansion: true
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parameters:
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storageaccounttype: Premium_LRS # or we can use Standard_LRS
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kind: managed # Default is shared (Other two are managed and dedicated)
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##############################################################################
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# Note-1:
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#volumeBindingMode: Immediate - This setting implies that the PersistentVolumecreation,
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#followed with the storage medium (Azure Disk in this case) provisioning is triggered as
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#soon as the PersistentVolumeClaim is created.
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# Note-2:
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# volumeBindingMode: WaitForFirstConsumer
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#By default, the Immediate mode indicates that volume binding and dynamic provisioning
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#occurs once the PersistentVolumeClaim is created. For storage backends that are
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#topology-constrained and not globally accessible from all Nodes in the cluster,
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#PersistentVolumes will be bound or provisioned without knowledge of the Pod's scheduling
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#requirements. This may result in unschedulable Pods.
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#A cluster administrator can address this issue by specifying the WaitForFirstConsumer
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#mode which will delay the binding and provisioning of a PersistentVolume until a
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#Pod using the PersistentVolumeClaim is created. PersistentVolumes will be selected or
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#provisioned conforming to the topology that is specified by the Pod's scheduling
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#constraints.
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##############################################################################
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# Note-3:
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#reclaimPolicy: Delete - With this setting, as soon as a PersistentVolumeClaim is deleted,
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#it also triggers the removal of the corresponding PersistentVolume along with the
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#Azure Disk.
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#We will be surprised provided if we intended to retain that data as backup.
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# reclaimPolicy: retain - Disk is retained even when PVC is deleted - Recommended Option
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# Note-4:
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# Both reclaimPolicy: Delete and volumeBindingMode: Immediate are default settings
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##############################################################################
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# Note-5:
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# Additional Reference
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# https://kubernetes.io/docs/concepts/storage/storage-classes/#azure-disk
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# Managed: When managed used, that disk is persisted for the Lifecycle of the cluster.
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# If we delete cluster, it will delete the disk
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##############################################################################

‎kube-manifests/02-Java-Apps/01-persistent-volume-claim.yml

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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: azure-managed-disk-pvc
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spec:
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accessModes:
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- ReadWriteOnce
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storageClassName: managed-premium-retain-sc
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resources:
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requests:
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storage: 5Gi

‎kube-manifests/02-Java-Apps/02-UserManagement-ConfigMap.yml

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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: usermanagement-dbcreation-script
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data:
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mysql_usermgmt.sql: |-
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DROP DATABASE IF EXISTS webappdb;
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CREATE DATABASE webappdb;

‎kube-manifests/02-Java-Apps/03-mysql-deployment.yml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: mysql
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: mysql
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strategy:
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type: Recreate
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template:
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metadata:
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labels:
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app: mysql
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spec:
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containers:
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- name: mysql
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image: mysql:5.6
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env:
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- name: MYSQL_ROOT_PASSWORD
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value: dbpassword11
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ports:
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- containerPort: 3306
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name: mysql
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volumeMounts:
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- name: mysql-persistent-storage
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mountPath: /var/lib/mysql
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- name: usermanagement-dbcreation-script
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mountPath: /docker-entrypoint-initdb.d #https://hub.docker.com/_/mysql Refer Initializing a fresh instance
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volumes:
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- name: mysql-persistent-storage
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persistentVolumeClaim:
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claimName: azure-managed-disk-pvc
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- name: usermanagement-dbcreation-script
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configMap:
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name: usermanagement-dbcreation-script
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# To schedule pods on based on NodeSelectors
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nodeSelector:
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app: java-apps

‎kube-manifests/02-Java-Apps/04-mysql-clusterip-service.yml

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apiVersion: v1
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kind: Service
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metadata:
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name: mysql
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spec:
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selector:
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app: mysql
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ports:
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- port: 3306
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clusterIP: None # This means we are going to use Pod IP

‎kube-manifests/02-Java-Apps/06-UserMgmtWebApp-Deployment.yml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: usermgmt-webapp
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labels:
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app: usermgmt-webapp
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: usermgmt-webapp
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template:
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metadata:
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labels:
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app: usermgmt-webapp
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spec:
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initContainers:
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- name: init-db
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image: busybox:1.31
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command: ['sh', '-c', 'echo -e "Checking for the availability of MySQL Server deployment"; while ! nc -z mysql 3306; do sleep 1; printf "-"; done; echo -e " >> MySQL DB Server has started";']
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containers:
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- name: usermgmt-webapp
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image: stacksimplify/kube-usermgmt-webapp:1.0.0-MySQLDB
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imagePullPolicy: Always
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ports:
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- containerPort: 8080
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env:
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- name: DB_HOSTNAME
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value: "mysql"
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- name: DB_PORT
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value: "3306"
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- name: DB_NAME
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value: "webappdb"
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- name: DB_USERNAME
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value: "root"
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- name: DB_PASSWORD
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value: "dbpassword11"
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# To schedule pods on based on NodeSelectors
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nodeSelector:
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app: java-apps
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‎kube-manifests/02-Java-Apps/07-UserMgmtWebApp-Service.yml

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apiVersion: v1
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kind: Service
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metadata:
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name: usermgmt-webapp-service
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labels:
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app: usermgmt-webapp
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spec:
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type: LoadBalancer
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selector:
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app: usermgmt-webapp
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ports:
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- port: 80
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targetPort: 8080

‎kube-manifests/03-Windows-DotNet-Apps/01-windows-app-deployment.yml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: windows-app1-deployment
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labels:
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app: windows-app1
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: windows-app1
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template:
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metadata:
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name: windows-app1
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labels:
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app: windows-app1
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spec:
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# To schedule pods on based on NodeSelectors
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nodeSelector:
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#"beta.kubernetes.io/os": windows
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app: dotnet-apps
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containers:
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- name: windows-app1
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image: mcr.microsoft.com/dotnet/framework/samples:aspnetapp
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resources:
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limits:
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cpu: 1
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memory: 800M
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requests:
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cpu: .1
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memory: 300M
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ports:
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- containerPort: 80
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‎kube-manifests/03-Windows-DotNet-Apps/02-windows-app-loadbalancer-service.yml

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apiVersion: v1
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kind: Service
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metadata:
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name: windows-app1-loadbalancer-service
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spec:
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type: LoadBalancer
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selector:
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app: windows-app1
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ports:
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- protocol: TCP
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port: 80

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