revert to ubi9 minimal

images/Containerfile-psacct

@@ -1,13 +1,10 @@
-FROM registry.access.redhat.com/ubi8/ubi:latest
-
-#FROM registry.access.redhat.com/ubi8/ubi-minimal:latest
-#FROM registry.access.redhat.com/ubi9/ubi-minimal:latest
+FROM registry.access.redhat.com/ubi9/ubi-minimal:latest
 
 USER 0
 
 COPY entrypoint-psacct.sh /usr/local/bin/entrypoint.sh
 
-RUN yum -y install psacct && \
+RUN microdnf install psacct && \
     rm -rf /var/lib/dnf /var/cache/dnf /var/cache/cups /var/cache/PackageKit && \
     chmod 755 /usr/local/bin/entrypoint.sh
 

images/Containerfile-sysstat

@@ -1,13 +1,10 @@
-FROM registry.access.redhat.com/ubi8/ubi:latest
-
-#FROM registry.access.redhat.com/ubi8/ubi-minimal:latest
-#FROM registry.access.redhat.com/ubi9/ubi-minimal:latest
+FROM registry.access.redhat.com/ubi9/ubi-minimal:latest
 
 USER 0
 
 COPY entrypoint-sysstat.sh /usr/local/bin/entrypoint.sh
 
-RUN yum -y install sysstat && \
+RUN microdnf install sysstat && \
     rm -rf /var/lib/dnf /var/cache/dnf /var/cache/cups /var/cache/PackageKit && \
     chmod 755 /usr/local/bin/entrypoint.sh