Added Dockerfile and 2 yamls

Dockerfile

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+# Use a base Java image
+FROM openjdk:17-jdk-slim
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the JAR file built by Maven
+COPY target/*.jar app.jar
+
+# Expose the application port
+EXPOSE 8080
+
+# Command to run the application
+ENTRYPOINT ["java", "-jar", "app.jar"]

deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: spring-petclinic-deployment
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: spring-petclinic
+  template:
+    metadata:
+      labels:
+        app: spring-petclinic
+    spec:
+      containers:
+      - name: spring-petclinic
+        image: prithvirajpro/spring-petclinic
+        ports:
+        - containerPort: 8080

service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: spring-petclinic-service
+spec:
+  selector:
+    app: spring-petclinic
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 8080
+  type: NodePort