add file to enable buildah to work

- fixes "empty" copy issue

Author: jduimovich

src/main/docker/Dockerfile.jvm.staged

@@ -34,7 +34,7 @@ RUN grep artifactId /build/target/maven-archiver/pom.properties | cut -d '=' -f2
 
 # mv the uber jar in case the quarkus property quarkus.package.type=uber-jar is set
 RUN mv /build/target/$(cat .env-id)-$(cat .env-version)*.jar /build/target/quarkus-app-tmp/
-
+RUN echo "copyhack" > /build/target/copyhack 
 FROM registry.access.redhat.com/ubi8/ubi-minimal:8.7-1085 
 
 ARG JAVA_PACKAGE=java-17-openjdk-devel
@@ -57,12 +57,12 @@ RUN microdnf install curl ca-certificates ${JAVA_PACKAGE} \
 # Configure the JAVA_OPTIONS, you can add -XshowSettings:vm to also display the heap size.
 ENV JAVA_OPTIONS="-Dquarkus.http.host=0.0.0.0 -Dquarkus.http.port=8081 -Djava.util.logging.manager=org.jboss.logmanager.LogManager"
 # We make four distinct layers so if there are application changes the library layers can be re-used
-COPY --from=0 --chown=1001 /build/target/quarkus-app-tmp/*.jar /deployments/export-run-artifact.jar
-COPY --from=0 --chown=1001 /build/target/*quarkus-app/*lib/ /deployments/lib/
+COPY --from=0 --chown=1001 /build/target/copyhack /build/target/quarkus-app-tmp/*.jar /deployments/export-run-artifact.jar
+COPY --from=0 --chown=1001 /build/target/copyhack /build/target/*quarkus-app/*lib/ /deployments/lib/
 # Overwrite the uber jar if package type is normal
-COPY --from=0 --chown=1001 /build/target/*quarkus-app/*.jar /deployments/export-run-artifact.jar 
-COPY --from=0 --chown=1001 /build/target/*quarkus-app/*app/ /deployments/app/
-COPY --from=0 --chown=1001 /build/target/*quarkus-app/*quarkus/ /deployments/quarkus/
+COPY --from=0 --chown=1001 /build/target/copyhack /build/target/*quarkus-app/*.jar /deployments/export-run-artifact.jar 
+COPY --from=0 --chown=1001 /build/target/copyhack /build/target/*quarkus-app/*app/ /deployments/app/
+COPY --from=0 --chown=1001 /build/target/copyhack /build/target/*quarkus-app/*quarkus/ /deployments/quarkus/
 
 EXPOSE 8081
 USER 1001