Dockerfile for Java Spring Boot Application in RHEL8

 FROM registry.access.redhat.com/ubi8/ubi:8.1

WORKDIR /app

RUN yum update -y  && yum install -y wget

RUN pwd

RUN cd /opt && wget --no-check-certificate https://downloads.apache.org/maven/maven-3/3.8.8/binaries/apache-maven-3.8.8-bin.tar.gz

RUN cd /opt && tar -xvf apache-maven-3.8.8-bin.tar.gz

RUN cd /opt && ln -s apache-maven-3.8.8 maven

RUN yum -y install java-17-openjdk

COPY pom.xml .

COPY src ./src

ENV M2_HOME /opt/maven

ENV PATH ${M2_HOME}/bin:${PATH}:/usr/bin

RUN echo $PATH

RUN mvn -version

RUN mvn install -DskipTests

RUN ls target

EXPOSE 8080

ENV PORT 8080

CMD  ["java", "-Dserver.port=8080", "-jar", "/app/target/test-service-0.0.1-SNAPSHOT.jar"]