FROM ubuntu:latest LABEL authors="lumijiez" FROM maven:3.9.9-eclipse-temurin-21 AS build WORKDIR /app COPY pom.xml . RUN mvn dependency:go-offline COPY src /app/src RUN mvn clean package -DskipTests FROM openjdk:21 WORKDIR /app COPY --from=build /app/target/SymphonySMTP-1.0-SNAPSHOT.jar /app/SymphonySMTP.jar EXPOSE 8090 ENTRYPOINT ["java", "-jar", "SymphonySMTP.jar"]