FROM maven:3.6.1-jdk-11-slim as maven WORKDIR /jooby COPY pom.xml pom.xml COPY src src COPY public public RUN mvn package -q -P netty FROM openjdk:11.0.3-jdk-slim WORKDIR /jooby COPY --from=maven /jooby/target/jooby.jar app.jar COPY conf conf EXPOSE 8080 CMD ["java", "-server", "-Xms4g", "-Xmx4g", "-XX:+AggressiveOpts", "-XX:-UseBiasedLocking", "-XX:+UseStringDeduplication", "-XX:+UseNUMA", "-XX:+UseParallelGC", "-jar", "app.jar"]