Add haberdasher to the image.

Dockerfile

@@ -1,16 +1,18 @@
 FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3
 
 RUN rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm \
-	&& microdnf update \
-	&& microdnf install pgbouncer \
-	&& rm -rf /etc/pgbouncer/{pgbouncer.ini,userlist.txt} \
-	&& touch /etc/pgbouncer/{pgbouncer.ini,userlist.txt} \
-	&& chmod 777 /etc/pgbouncer/{pgbouncer.ini,userlist.txt} \
-	&& chmod 777 /var/{run,log}/pgbouncer
+    && microdnf update \
+    && microdnf install pgbouncer \
+    && rm -rf /etc/pgbouncer/{pgbouncer.ini,userlist.txt} \
+    && touch /etc/pgbouncer/{pgbouncer.ini,userlist.txt} \
+    && chmod 777 /etc/pgbouncer/{pgbouncer.ini,userlist.txt} \
+    && chmod 777 /var/{run,log}/pgbouncer \
+    && curl -L -o /usr/bin/haberdasher https://github.com/RedHatInsights/haberdasher/releases/latest/download/haberdasher_linux_amd64 \
+    && chmod 755 /usr/bin/haberdasher
 
 ADD entrypoint.sh /entrypoint.sh
 
 EXPOSE 5432
 
-ENTRYPOINT ["/entrypoint.sh"]
-CMD ["/usr/bin/pgbouncer", "/etc/pgbouncer/pgbouncer.ini"]
+ENTRYPOINT ["/usr/bin/haberdasher"]
+CMD ["/entrypoint.sh", "/usr/bin/pgbouncer", "/etc/pgbouncer/pgbouncer.ini"]