FROM maven:3.6.1-jdk-11-slim as maven WORKDIR /armeria COPY src src COPY pom.xml pom.xml RUN mvn package -q FROM openjdk:11.0.3-jdk-slim WORKDIR /armeria COPY --from=maven /armeria/target/hello-1.0-SNAPSHOT.jar app.jar EXPOSE 8080 CMD ["java", "-server", "-XX:+UseNUMA", "-XX:+UseParallelGC", "-jar", "app.jar"]