FROM maven:3.8.5-openjdk-17 AS build WORKDIR /app COPY pom.xml . COPY src ./src RUN mvn clean package -DskipTests FROM eclipse-temurin:17-jre WORKDIR /app COPY --from=build /app/target/server-1.0-SNAPSHOT.jar app.jar EXPOSE 1870 CMD ["java", "-jar", "app.jar"]