test-project

k8s/base/backend/deployment.yaml

@@ -0,0 +1,49 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: backend
+  namespace: react-mysql
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: backend
+  template:
+    metadata:
+      labels:
+        app: backend
+    spec:
+      initContainers:
+        - name: wait-for-mysql
+          image: busybox:1.36
+          command: ["sh", "-c", "until nc -z mysql 3306; do echo waiting for mysql; sleep 3; done"]
+      containers:
+        - name: backend
+          image: subkamble/react-mysql-backend:latest
+          imagePullPolicy: IfNotPresent
+          ports:
+            - containerPort: 3000
+          envFrom:
+            - configMapRef:
+                name: app-config
+            - secretRef:
+                name: app-secret
+          resources:
+            requests:
+              cpu: 100m
+              memory: 128Mi
+            limits:
+              cpu: 250m
+              memory: 256Mi
+          readinessProbe:
+            httpGet:
+              path: /user
+              port: 3000
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          livenessProbe:
+            httpGet:
+              path: /user
+              port: 3000
+            initialDelaySeconds: 20
+            periodSeconds: 20

k8s/base/backend/service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: backend
+  namespace: react-mysql
+spec:
+  selector:
+    app: backend
+  ports:
+    - port: 3000
+      targetPort: 3000

k8s/base/config.properties

@@ -0,0 +1,4 @@
+DB_HOST=mysql
+DB_PORT=3306
+DB_USER=root
+DB_NAME=appdb

k8s/base/frontend/deployment.yaml

@@ -0,0 +1,40 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+  namespace: react-mysql
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: frontend
+  template:
+    metadata:
+      labels:
+        app: frontend
+    spec:
+      containers:
+        - name: frontend
+          image: subkamble/react-mysql-frontend:latest
+          imagePullPolicy: IfNotPresent
+          ports:
+            - containerPort: 3000
+          resources:
+            requests:
+              cpu: 50m
+              memory: 64Mi
+            limits:
+              cpu: 200m
+              memory: 256Mi
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 20
+            periodSeconds: 20

k8s/base/frontend/service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  namespace: react-mysql
+spec:
+  selector:
+    app: frontend
+  ports:
+    - port: 3000
+      targetPort: 3000

k8s/base/kustomization.yaml

@@ -0,0 +1,25 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: react-mysql
+
+resources:
+  - namespace.yaml
+  - mysql/configmap-sql.yaml
+  - mysql/statefulset.yaml
+  - mysql/service.yaml
+  - backend/deployment.yaml
+  - backend/service.yaml
+  - frontend/deployment.yaml
+  - frontend/service.yaml
+
+configMapGenerator:
+  - name: app-config
+    envs:
+      - config.properties
+
+secretGenerator:
+  - name: app-secret
+    envs:
+      - secret.properties
+    type: Opaque

k8s/base/mysql/configmap-sql.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mysql-init-sql
+  namespace: react-mysql
+data:
+  script.sql: |
+    -- Create the appdb database
+    CREATE DATABASE IF NOT EXISTS appdb;
+
+    -- Use the appdb database
+    USE appdb;
+
+    -- Create the apptb table
+    CREATE TABLE `appdb`.`apptb` (
+      `id` INT NOT NULL AUTO_INCREMENT,
+      `name` VARCHAR(45) NOT NULL,
+      PRIMARY KEY (`id`));

k8s/base/mysql/service.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql
+  namespace: react-mysql
+spec:
+  clusterIP: None
+  selector:
+    app: mysql
+  ports:
+    - port: 3306
+      targetPort: 3306

k8s/base/mysql/statefulset.yaml

@@ -0,0 +1,66 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: mysql
+  namespace: react-mysql
+spec:
+  serviceName: mysql
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mysql
+  template:
+    metadata:
+      labels:
+        app: mysql
+    spec:
+      containers:
+        - name: mysql
+          image: mysql:8.0
+          ports:
+            - containerPort: 3306
+          envFrom:
+            - configMapRef:
+                name: app-config
+            - secretRef:
+                name: app-secret
+          env:
+            - name: MYSQL_ROOT_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: app-secret
+                  key: MYSQL_ROOT_PASSWORD
+          volumeMounts:
+            - name: mysql-data
+              mountPath: /var/lib/mysql
+            - name: mysql-init
+              mountPath: /docker-entrypoint-initdb.d
+          resources:
+            requests:
+              cpu: 250m
+              memory: 512Mi
+            limits:
+              cpu: 500m
+              memory: 1Gi
+          readinessProbe:
+            exec:
+              command: ["mysqladmin", "ping", "-h", "localhost"]
+            initialDelaySeconds: 20
+            periodSeconds: 10
+          livenessProbe:
+            exec:
+              command: ["mysqladmin", "ping", "-h", "localhost"]
+            initialDelaySeconds: 40
+            periodSeconds: 20
+      volumes:
+        - name: mysql-init
+          configMap:
+            name: mysql-init-sql
+  volumeClaimTemplates:
+    - metadata:
+        name: mysql-data
+      spec:
+        accessModes: ["ReadWriteOnce"]
+        resources:
+          requests:
+            storage: 2Gi

k8s/base/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: react-mysql