FROM maven:3.6.3-openjdk-16 AS build COPY pom.xml /tmp/ COPY src /tmp/src/ WORKDIR /tmp/ RUN mvn clean compile assembly:single FROM bellsoft/liberica-openjdk-alpine:latest ENV LANG=C.UTF-8 RUN mkdir /application/ COPY --from=build /tmp/out/maven/*.jar /application/application.jar WORKDIR /application/ EXPOSE 18080 CMD ["java", "-Xms64M", "-Xmx1G", "-cp", "/application/application.jar", "org.kar.karanage.WebLauncher"]