# Stage 1: Build the application FROM maven:3.9.8-eclipse-temurin-17-alpine AS builder # Set the working directory WORKDIR /home/container # Copy the source code COPY . . # Build the jar RUN mvn package -q -Dmaven.test.skip -DskipTests -T2C # Stage 2: Create the final lightweight image FROM eclipse-temurin:17.0.12_7-jre-focal # Set the working directory WORKDIR /home/container # Copy the built jar file from the builder stage COPY --from=builder /home/container/target/Bat.jar . # Export the port ENV PORT=8080 EXPOSE $PORT # Run the jar file CMD java -jar Bat.jar -Djava.awt.headless=true