Kube

Dockerfile

@@ -1,37 +1,12 @@
-#----------------------------------
-# Stage 1
-#----------------------------------
-
-# Import docker image with maven installed
-FROM maven:3.8.3-openjdk-17 as builder 
-
-# Add maintainer, so that new user will understand who had written this Dockerfile
-MAINTAINER Madhup Pandey<madhuppandey2908@gmail.com>
-
-# Add labels to the image to filter out if we have multiple application running
-LABEL app=bankapp
-
-# Set working directory
-WORKDIR /src
-
-# Copy source code from local to container
-COPY . /src
-
-# Build application and skip test cases
+#---------------------------------stage1-----------------------------------------
+FROM maven:3.9.6-eclipse-temurin-17-alpine AS builder
+WORKDIR /app
+COPY . .
 RUN mvn clean install -DskipTests=true
-
-#--------------------------------------
-# Stage 2
-#--------------------------------------
-
-# Import small size java image
-FROM openjdk:17-alpine as deployer
-
-# Copy build from stage 1 (builder)
-COPY --from=builder /src/target/*.jar /src/target/bankapp.jar
-
-# Expose application port 
-EXPOSE 8080
-
-# Start the application
-ENTRYPOINT ["java", "-jar", "/src/target/bankapp.jar"]
+
+#---------------------------------stage2-----------------------------------------
+FROM openjdk:17-slim
+WORKDIR /app
+COPY --from=builder /app/target/*.jar /app/target/bank.jar
+EXPOSE 8081
+CMD ["java","-jar","/app/target/bank.jar"]

docker-compose.yml

@@ -4,43 +4,34 @@ services:
     image: mysql:latest
     container_name: mysql
     environment:
-      - MYSQL_ROOT_PASSWORD=Test@123
-      - MYSQL_DATABASE=BankDB
+      MYSQL_ROOT_PASSWORD: Test@123
+      MYSQL_DATABASE: bankappdb
+    ports:
+      - "3306:3306"
     volumes:
       - bankapp-volume:/var/lib/mysql
     networks:
       - bankapp
-    healthcheck:
-      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
-      interval: 10s
-      timeout: 5s
-      retries: 3
-      start_period: 30s
+
 
   mainapp:
-    image: ${DUSER}/${IMAGE}
-    container_name: Bankapp
+    image: bankapp:latest
+    container_name: "Bankapp"
     environment:
-      - SPRING_DATASOURCE_USERNAME=root
-      - SPRING_DATASOURCE_URL=jdbc:mysql://mysql:3306/BankDB?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
-      - SPRING_DATASOURCE_PASSWORD=Test@123
+        SPRING_DATASOURCE_USERNAME: root
+        SPRING_DATASOURCE_URL: jdbc:mysql://mysql:3306/bankappdb?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
+        SPRING_DATASOURCE_PASSWORD: Test@123
     ports:
       - "8080:8080"
     depends_on:
-      mysql:
-        condition: service_healthy
+      - mysql
     networks:
       - bankapp
     restart: always
-    healthcheck:
-      test: ["CMD-SHELL", "curl -f http://localhost:8080/actuator/health || exit 1"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-      start_period: 30s
+
 
 networks:
   bankapp:
 
 volumes:
-    bankapp-volume:
+    bankapp-volume:

kube/Namespace.yml

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

kube/bank-deployement.yml

@@ -0,0 +1,38 @@
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: bank-deployment
+  namespace: bank
+  labels:
+    app: app
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: app
+  template:
+    metadata:
+      labels:
+        app: app
+    spec:
+      containers:
+      - name: bank-cont
+        image: swayamnakshane/mybank:latest
+        ports:
+          - containerPort: 8081
+        env:
+        - name: SPRING_DATASOURCE_USERNAME
+          valueFrom:
+            configMapKeyRef:
+              name: bank-configmap
+              key: SPRING_DATASOURCE_USERNAME
+        - name: SPRING_DATASOURCE_URL
+          valueFrom:
+            configMapKeyRef:
+              name: bank-configmap
+              key: SPRING_DATASOURCE_URL
+        - name: SPRING_DATASOURCE_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: bank-secret
+              key: SPRING_DATASOURCE_PASSWORD

kube/bank-service.yml

@@ -0,0 +1,16 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: bank-svc
+  namespace: bank
+  labels:
+    app: app
+spec:
+  type: NodePort
+  selector:
+    app: app
+  ports:
+    - protocol: TCP
+      targetPort: 8080
+      port: 8081
+      nodePort: 30080

kube/config.yml

@@ -0,0 +1,10 @@
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+- role: control-plane
+  image: kindest/node:v1.31.2
+- role: worker
+  image: kindest/node:v1.31.2
+- role: worker
+  image: kindest/node:v1.31.2
+

kube/configmap.yml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: bank-configmap
+  namespace: bank
+data:
+  MYSQL_DATABASE: bankappdb
+  SPRING_DATASOURCE_USERNAME: root
+  SPRING_DATASOURCE_URL: jdbc:mysql://mysql:3306/bankappdb?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC

kube/mysql-deployment.yml

@@ -0,0 +1,50 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: mysql-deployment
+  namespace: bank
+  labels:
+    app: bankapp
+spec:
+  serviceName: mysql
+  replicas: 2
+  selector:
+    matchLabels:
+      app: bankapp
+  template:
+    metadata:
+      labels:
+        app: bankapp
+    spec:
+      containers:
+      - name: mysql
+        image: mysql:latest
+        ports:
+          - containerPort: 3306
+        env:
+        - name: MYSQL_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: bank-secret
+              key: MYSQL_ROOT_PASSWORD
+        - name: MYSQL_DATABASE
+          valueFrom:
+            configMapKeyRef:
+              name: bank-configmap
+              key: MYSQL_DATABASE
+        volumeMounts:
+        - name: mysql
+          mountPath: /var/lib/mysql
+
+  volumeClaimTemplates:
+  - metadata:
+      name: mysql
+      labels:
+        app: bankapp
+    spec:
+      accessModes:
+        - ReadWriteOnce
+      resources:
+        requests:
+          storage: 5Gi
+

kube/mysql-service.yml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql
+  namespace: bank
+  labels:
+    app: bankapp
+
+spec:
+  clusterIP: None
+  selector:
+    app: bankapp
+  ports:
+    - protocol: TCP
+      port: 3306
+      targetPort: 3306
+

kube/persistentvolume.yml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: mysql-pv
+  namespace: bank
+  labels:
+    app: bankapp
+spec:
+  storageClassName: standard
+  capacity:
+    storage: 5Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/mnt/data/mysql"
+

kubernetes/persistent-volume-claim.yaml → kube/persistentvolumeclaim.yml

@@ -2,11 +2,14 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: mysql-pvc
-  namespace: bankapp-namespace
+  namespace: bank
+  labels:
+    app: bankapp
 spec:
+  storageClassName: standard
   accessModes:
     - ReadWriteOnce
   resources:
     requests:
-      storage: 10Gi
-  storageClassName: standard
+      storage: 5Gi
+

kube/secret.yml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: bank-secret
+  namespace: bank
+type: opaque
+data:
+  MYSQL_ROOT_PASSWORD: VGVzdEAxMjM=
+  SPRING_DATASOURCE_PASSWORD: VGVzdEAxMjM=