Fixes post integration test- mmctl needs /home/mattermost directory and the...

Fixes post integration test- mmctl needs /home/mattermost directory and the other ENTRYPOINT might be cleaner to pass in args as environment variables

Dockerfile

@@ -29,13 +29,16 @@ COPY --from=builder  /tmp/mattermost-admin-plugin-1.0.2-rc.tar.gz .
 COPY --from=builder /tmp/install-mattermost-plugin.sh .
 # COPY --from=builder /tmp/call_mm_plugin_installer.sh .
 
+RUN mkdir /home/mattermost
+RUN chown mattermost:mattermost /home/mattermost 
+
 # USER 1001
 USER 2000
 
 
 # the entrypoint script calls the main installer which uses ENV vars for token and url to contact the target and install the plugin
-# old - ENTRYPOINT [ "./call_mm_plugin_installer.sh" ] 
-ENTRYPOINT [ "./install-mattermost-plugin.sh" ] 
+ENTRYPOINT [ "./call_mm_plugin_installer.sh" ] 
+# ENTRYPOINT [ "./install-mattermost-plugin.sh" ] 
 # ENTRYPOINT ["tail", "-f", "/dev/null"]
 
 HEALTHCHECK NONE