FROM maven:3-eclipse-temurin-22 AS build WORKDIR /build COPY --link pom.xml pom.xml RUN mvn package || true 2>/dev/null COPY --link src src RUN mvn package -DskipTests=true FROM eclipse-temurin:22-jdk-alpine WORKDIR /app COPY --from=build --link /build/target/connect4x4-fat.jar app.jar ENTRYPOINT ["java", "-jar", "app.jar"]