Update index.adoc

docs/modules/ROOT/pages/index.adoc

@@ -17,13 +17,15 @@ If you are planning to run the application as a native executable and parse docu
 <properties>
 ----
 
+== Docker
+
 When building native images in Docker using the standard Quarkus Docker configuration files some additional features need to be
-installed to support Apache POI. Specifically font information is not included in [Red Hat's ubi-minimal images](https://developers.redhat.com/products/rhel/ubi). To install it
+installed to support Apache POI.  Specifically font information is not included in https://developers.redhat.com/products/rhel/ubi[Red Hat's ubi-minimal images].  To install it
 simply add these lines to your `DockerFile.native` file:
 
 [source]
 ----
-FROM registry.access.redhat.com/ubi8/ubi-minimal:8.7
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.9
 
 ######################### Set up environment for POI ##########################
 RUN microdnf update && microdnf install freetype fontconfig && microdnf clean all
@@ -33,14 +35,19 @@ WORKDIR /work/
 RUN chown 1001 /work \
     && chmod "g+rwX" /work \
     && chown 1001:root /work
+# Shared objects to be dynamically loaded at runtime as needed,
+COPY --chown=1001:root target/*.properties target/*.so /work/
 COPY --chown=1001:root target/*-runner /work/application
-
+# Permissions fix for Windows
+RUN chmod "ugo+x" /work/application
 EXPOSE 8080
 USER 1001
 
 CMD ["./application", "-Dquarkus.http.host=0.0.0.0"]
 ----
 
+CAUTION: Make sure `.dockerignore` does not exclude `.so` files!
+
 
 ====