已经可以拷贝编译好的镜像进入虚拟环境了

Dockerfile

@@ -1,6 +1,7 @@
-FROM maven:3.9.0-ibmjava-8
-WORKDIR /app
+FROM maven:3.9.0-ibmjava-8 as mvn
 COPY ./ /app
+WORKDIR /app
 RUN mvn install
 RUN mvn clean package
-#FROM java:8
+FROM openjdk:8
+COPY --from=mvn /app/target /app