Added caching / avoid orphans mechanisms

Dockerfiles/build-base/ol/Dockerfile

@@ -19,7 +19,8 @@ LABEL org.opencontainers.image.authors="Alexey Pustovalov <alexey.pustovalov@zab
 
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol9.repo", "/etc/yum.repos.d/oracle-epel-ol9.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="autoconf \
             automake \
             bash \
@@ -52,8 +53,7 @@ RUN set -eux && \
         --enablerepo "ol9_codeready_builder" \
         --enablerepo="ol9_developer_EPEL" \
         --setopt=install_weak_deps=0 \
+        --setopt=keepcache=0 \
         --best \
         --nodocs ${INSTALL_PKGS} && \
-    microdnf -y clean all && \
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
+    microdnf -y clean all