434 lines
12 KiB
YAML
434 lines
12 KiB
YAML
# Template variables (rendered by Jenkins `envsubst "$K8S_RENDER_VARS"`):
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# KRA_APP application name, derives every resource name
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# KRA_NAMESPACE target namespace
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# KRA_ENV development | production
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# KRA_REPLICAS replicas per deployment
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# KRA_FRONTEND_NODEPORT node port for the frontend service
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# KRA_BACKEND_NODEPORT node port for the backend debug service
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# KRA_MYSQL_IMAGE mysql server image
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# KRA_REDIS_IMAGE redis server image
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# KRA_SHARED_STORAGE_CLASS RWX storage class for config and uploads
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# KRA_BACKEND_IMAGE backend image built by Jenkins
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# KRA_FRONTEND_IMAGE frontend image built by Jenkins
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# BIN_NAME backend binary name inside the image
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apiVersion: v1
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kind: Namespace
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metadata:
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name: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/part-of: ${KRA_APP}
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app.kubernetes.io/managed-by: jenkins
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: ${KRA_APP}-mysql
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-mysql
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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serviceName: ${KRA_APP}-mysql
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-mysql
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-mysql
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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containers:
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- name: mysql
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image: ${KRA_MYSQL_IMAGE}
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imagePullPolicy: IfNotPresent
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ports:
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- name: mysql
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containerPort: 3306
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env:
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- name: MYSQL_DATABASE
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value: ${KRA_APP}
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- name: MYSQL_ROOT_PASSWORD
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valueFrom:
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secretKeyRef:
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name: ${KRA_APP}-runtime
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key: mysql-root-password
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volumeMounts:
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- name: mysql-data
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mountPath: /var/lib/mysql
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readinessProbe:
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exec:
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command: ["sh", "-c", "mysqladmin ping -h 127.0.0.1 -uroot -p\"$MYSQL_ROOT_PASSWORD\" --silent"]
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initialDelaySeconds: 20
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 12
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livenessProbe:
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exec:
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command: ["sh", "-c", "mysqladmin ping -h 127.0.0.1 -uroot -p\"$MYSQL_ROOT_PASSWORD\" --silent"]
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initialDelaySeconds: 60
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periodSeconds: 20
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timeoutSeconds: 5
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resources:
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requests:
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cpu: 250m
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memory: 512Mi
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limits:
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cpu: 1
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memory: 2Gi
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volumes:
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- name: mysql-data
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hostPath:
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path: /var/lib/${KRA_APP}/mysql
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type: DirectoryOrCreate
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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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name: ${KRA_APP}-mysql
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namespace: ${KRA_NAMESPACE}
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spec:
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clusterIP: None
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selector:
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app.kubernetes.io/name: ${KRA_APP}-mysql
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ports:
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- name: mysql
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port: 3306
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targetPort: mysql
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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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name: ${KRA_APP}-redis
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namespace: ${KRA_NAMESPACE}
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spec:
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selector:
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app.kubernetes.io/name: ${KRA_APP}-redis
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ports:
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- name: redis
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port: 6379
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targetPort: redis
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ${KRA_APP}-redis
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-redis
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app.kubernetes.io/part-of: ${KRA_APP}
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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.kubernetes.io/name: ${KRA_APP}-redis
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-redis
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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initContainers:
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- name: prepare-redis-storage
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image: ${KRA_REDIS_IMAGE}
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imagePullPolicy: IfNotPresent
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securityContext:
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runAsUser: 0
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runAsGroup: 0
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command: ["sh", "-c"]
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args:
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- chown -R redis:redis /data
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volumeMounts:
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- name: redis-data
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mountPath: /data
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containers:
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- name: redis
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image: ${KRA_REDIS_IMAGE}
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imagePullPolicy: IfNotPresent
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securityContext:
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runAsNonRoot: true
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ports:
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- name: redis
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containerPort: 6379
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command: ["redis-server", "--appendonly", "yes"]
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volumeMounts:
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- name: redis-data
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mountPath: /data
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readinessProbe:
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exec:
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command: ["redis-cli", "ping"]
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initialDelaySeconds: 5
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periodSeconds: 10
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livenessProbe:
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exec:
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command: ["redis-cli", "ping"]
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initialDelaySeconds: 15
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periodSeconds: 20
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resources:
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requests:
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cpu: 50m
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memory: 64Mi
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limits:
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cpu: 250m
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memory: 512Mi
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volumes:
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- name: redis-data
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hostPath:
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path: /var/lib/${KRA_APP}/redis
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type: DirectoryOrCreate
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ${KRA_APP}-backend
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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replicas: ${KRA_REPLICAS}
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revisionHistoryLimit: 3
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 1
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maxSurge: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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securityContext:
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fsGroup: 1000
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fsGroupChangePolicy: OnRootMismatch
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initContainers:
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- name: initialize-shared-storage
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image: ${KRA_BACKEND_IMAGE}
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imagePullPolicy: Always
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securityContext:
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runAsUser: 1000
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runAsGroup: 1000
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command: ["sh", "-c"]
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args:
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- >-
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mkdir -p /data/conf /app/uploads;
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if [ ! -f /data/conf/config.yaml ]; then
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cp /bootstrap/config.yaml /data/conf/config.yaml;
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fi;
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chmod u+rwX,g+rwX /data/conf /data/conf/config.yaml /app/uploads
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volumeMounts:
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- name: config
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mountPath: /data/conf
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- name: uploads
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mountPath: /app/uploads
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- name: config-template
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mountPath: /bootstrap
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readOnly: true
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# /data/conf 由初始化容器从 ConfigMap 初始化到共享 PVC，
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# 目录必须可写：初始化向导会把数据库连接写回该文件。
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imagePullSecrets:
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- name: harbor-registry
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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topologyKey: kubernetes.io/hostname
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labelSelector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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containers:
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- name: backend
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image: ${KRA_BACKEND_IMAGE}
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imagePullPolicy: Always
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command: ["./${BIN_NAME}"]
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args: ["-conf", "/data/conf"]
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ports:
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- name: http
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containerPort: 8000
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env:
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# 数据库连接不在这里注入：应用启动时未配置数据库会进入 bootstrap 模式，
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# 首页出现"前往初始化"，由 /init/initdb 建表、写入种子数据并持久化连接配置。
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# JWT 签名密钥由 /data/conf/config.yaml 唯一管理，避免环境变量覆盖管理页面的配置变更；
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# Redis 地址已在下方 config.yaml 中指定。
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- name: KRA_ADMIN_SYSTEM_USE_REDIS
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value: "true"
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volumeMounts:
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- name: config
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mountPath: /data/conf
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- name: uploads
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mountPath: /app/uploads
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readinessProbe:
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httpGet:
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path: /health
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port: http
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initialDelaySeconds: 10
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periodSeconds: 10
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timeoutSeconds: 3
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failureThreshold: 6
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livenessProbe:
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httpGet:
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path: /health
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port: http
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initialDelaySeconds: 30
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periodSeconds: 20
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timeoutSeconds: 3
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failureThreshold: 3
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resources:
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requests:
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cpu: 100m
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memory: 256Mi
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limits:
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cpu: 500m
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memory: 1Gi
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volumes:
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- name: config
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persistentVolumeClaim:
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claimName: ${KRA_APP}-config
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- name: uploads
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persistentVolumeClaim:
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claimName: ${KRA_APP}-uploads
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- name: config-template
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configMap:
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name: ${KRA_APP}-config-template
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: ${KRA_APP}-config
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namespace: ${KRA_NAMESPACE}
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spec:
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storageClassName: ${KRA_SHARED_STORAGE_CLASS}
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accessModes:
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- ReadWriteMany
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resources:
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requests:
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storage: 1Gi
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: ${KRA_APP}-uploads
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namespace: ${KRA_NAMESPACE}
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spec:
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storageClassName: ${KRA_SHARED_STORAGE_CLASS}
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accessModes:
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- ReadWriteMany
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resources:
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requests:
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storage: 20Gi
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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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name: ${KRA_APP}-backend
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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spec:
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type: ClusterIP
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selector:
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app.kubernetes.io/name: ${KRA_APP}-backend
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ports:
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- name: http
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port: 8000
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targetPort: http
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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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name: ${KRA_APP}-backend-nodeport
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namespace: ${KRA_NAMESPACE}
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spec:
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type: NodePort
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selector:
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app.kubernetes.io/name: ${KRA_APP}-backend
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ports:
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- name: http
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port: 8000
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targetPort: http
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nodePort: ${KRA_BACKEND_NODEPORT}
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ${KRA_APP}-frontend
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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replicas: ${KRA_REPLICAS}
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revisionHistoryLimit: 3
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 1
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maxSurge: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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imagePullSecrets:
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- name: harbor-registry
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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topologyKey: kubernetes.io/hostname
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labelSelector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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containers:
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- name: frontend
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image: ${KRA_FRONTEND_IMAGE}
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imagePullPolicy: Always
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ports:
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- name: http
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containerPort: 80
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readinessProbe:
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httpGet:
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path: /
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port: http
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initialDelaySeconds: 5
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periodSeconds: 10
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livenessProbe:
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httpGet:
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path: /
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port: http
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initialDelaySeconds: 15
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periodSeconds: 20
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resources:
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requests:
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cpu: 50m
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memory: 64Mi
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limits:
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cpu: 250m
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memory: 256Mi
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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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name: ${KRA_APP}-frontend
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namespace: ${KRA_NAMESPACE}
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spec:
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type: NodePort
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selector:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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ports:
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- name: http
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port: 80
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targetPort: http
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nodePort: ${KRA_FRONTEND_NODEPORT}
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