.

Dockerfile

-FROM openjdk:8-jdk-alpine as build
-WORKDIR /workspace/app
+FROM openjdk:8-jre-alpine
+
 ENV SERVER_PORT 8080
 ENV ENABLE_RATINGS false
 ENV STAR_COLOR black
 
-
-COPY mvnw .
-COPY .mvn .mvn
-COPY pom.xml .
-COPY src src
-
-RUN ./mvnw install -DskipTests
-RUN mkdir -p target/dependency && (cd target/dependency; jar -xf ../*.jar)
-
-FROM openjdk:8-jdk-alpine
-VOLUME /tmp
-ARG DEPENDENCY=/workspace/app/target/dependency
-COPY --from=build ${DEPENDENCY}/BOOT-INF/lib /app/lib
-COPY --from=build ${DEPENDENCY}/META-INF /app/META-INF
-COPY --from=build ${DEPENDENCY}/BOOT-INF/classes /app
-EXPOSE ${SERVER_PORT}
-ENTRYPOINT ["java","-cp","app:app/lib/*","com.bookinfo.ProductpageApplication"]
+RUN addgroup -S spring && adduser -S spring -G spring
+USER spring:spring
+ARG JAR_FILE=target/*.jar
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]