Java 框架在云计算环境中的适用性：云部署考虑？

// Spring Boot 应用程序类
@SpringBootApplication
public class SpringBootApp {
    public static void main(String[] args) {
        SpringApplication.run(SpringBootApp.class, args);
    }
}

# Dockerfile
FROM java:8
ENV JAVA_OPTS="-Xmx64m"
RUN mvn clean package
ADD target/springboot-app.jar app.jar
ENTRYPOINT java $JAVA_OPTS -jar app.jar

# Kubernetes 部署清单
apiVersion: apps/v1
kind: Deployment
metadata:
  name: spring-boot-app
spec:
  replicas: 2
  selector:
    matchLabels:
      app: spring-boot-app
  template:
    metadata:
      labels:
        app: spring-boot-app
    spec:
      imagePullSecrets:
        - name: regcred
      containers:
        - name: spring-boot-app
          image: local/my-spring-boot-app:latest
          ports:
          - containerPort: 8080
          env:
          - name: DB_HOST
            value: "localhost"
          - name: DB_PORT
            value: "3306"