k8s manifests

Author: junior

kubernetes/app-dep.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: demoapp
+  labels:
+    app: demoapp
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: demoapp
+  template:
+    metadata:
+      labels:
+        app: demoapp
+    spec:
+      containers:
+      - name: demoapp
+        image: ghcr.io/junior/springbootdemo:1.0.0
+        imagePullPolicy: Never
+        env:
+        - name: MYSQL_HOST
+          value: mysql
+        - name: MYSQL_PORT
+          value: "3306"
+        - name: MYSQL_EXTRAS
+          value: "?useSSL=false&serverTimezone=UTC&useLegacyDatetimeCode=false"
+        - name: MYSQL_DATABASE
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secrets
+              key: database
+        - name: MYSQL_USER
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secrets
+              key: username
+        - name: MYSQL_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secrets
+              key: password
+        - name: JAVA_OPTS
+          value: -Xms512m -Xmx1024m -XX:+UseG1GC -Djava.security.egd=file:/dev/urandom
+        ports:
+        - name: http
+          containerPort: 8081
+        resources:
+          limits:
+            cpu: 800m
+            memory: 2048Mi
+          requests:
+            cpu: 500m
+            memory: 1024Mi
+        # livenessProbe:
+        #   httpGet:
+        #     path: /
+        #     port: http
+        # readinessProbe:
+        #   httpGet:
+        #     path: /
+        #     port: http
+      # imagePullSecrets:
+      # - name: ocirsecrets

kubernetes/app-hpa.yaml

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+---
+apiVersion: autoscaling/v2beta2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: demoapp
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: demoapp
+  minReplicas: 1
+  maxReplicas: 10
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 30

kubernetes/app-svc.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: demoapp
+  name: demoapp
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 80
+      targetPort: 8081
+      protocol: TCP
+  selector:
+    app: demoapp

kubernetes/mysql-dep.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mysql
+spec:
+  selector:
+    matchLabels:
+      app: mysql
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: mysql
+    spec:
+      containers:
+      - image: mysql:5.7
+        name: mysql
+        env:
+        - name: MYSQL_ROOT_PASSWORD 
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secrets
+              key: rootpassword
+        - name: MYSQL_DATABASE
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secrets
+              key: database
+        - name: MYSQL_USER
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secrets
+              key: username
+        - name: MYSQL_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secrets
+              key: password
+        ports:
+        - containerPort: 3306
+          name: mysql
+        volumeMounts:
+        - name: mysql-persistent-storage
+          mountPath: /var/lib/mysql
+        resources:
+          limits:
+            cpu: 300m
+            memory: 1024Mi
+          requests:
+            cpu: 100m
+            memory: 512Mi
+      volumes:
+      - name: mysql-persistent-storage
+        persistentVolumeClaim:
+          claimName: mysql-pvc-manual

kubernetes/mysql-pv-manual.yaml

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+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: mysql-pv-manual
+  labels:
+    type: local
+spec:
+  storageClassName: manual
+  capacity:
+    storage: 100Mi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/mnt/data"
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mysql-pvc-manual
+spec:
+  storageClassName: manual
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 100Mi

kubernetes/mysql-pvc-oci-bv.yaml

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+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mysql-pvc-oci-bv
+spec:
+  storageClassName: oci-bv
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 50Gi

kubernetes/mysql-svc.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql
+spec:
+  ports:
+  - port: 3306
+  selector:
+    app: mysql
+  clusterIP: None
+  type: ClusterIP