FROM ubuntu:22.04 ENV DEBIAN_FRONTEND=noninteractive RUN apt-get update && apt-get install -y \ openjdk-17-jdk \ maven \ mariadb-server \ curl \ && rm -rf /var/lib/apt/lists/* WORKDIR /opt/lab COPY app /opt/lab/app COPY start.sh /opt/lab/start.sh RUN chmod +x /opt/lab/start.sh WORKDIR /opt/lab/app RUN mvn clean package -DskipTests EXPOSE 8080 WORKDIR /opt/lab CMD ["/opt/lab/start.sh"]