keep tar and gzip tools installed in the final image

Author: ddsharpe

imagetool/src/main/resources/docker-files/Create_Image.mustache

@@ -11,6 +11,7 @@ USER root
 {{#useYum}}
 RUN yum -y --downloaddir={{{tmpDir}}} install gzip tar unzip \
  && yum -y --downloaddir={{{tmpDir}}} clean all \
+ && rm -rf /var/cache/yum/* \
  && rm -rf {{{tmpDir}}}
 {{/useYum}}
 {{#useAptGet}}
@@ -164,7 +165,7 @@ RUN unzip -q {{{tmpDir}}}/$WLS_PKG -d {{{tmpDir}}} \
 
 {{/isWdtEnabled}}
 
-FROM {{baseImage}} as FINAL_BUILD
+FROM OS_UPDATE as FINAL_BUILD
 
 ARG ADMIN_NAME
 ARG ADMIN_HOST
@@ -187,12 +188,6 @@ ENV ORACLE_HOME={{{oracle_home}}} \
     PROPERTIES_FILE_DIR={{{oracle_home}}}/properties \
     PATH=${PATH}:{{{java_home}}}/bin:{{{oracle_home}}}/oracle_common/common/bin:{{{oracle_home}}}/wlserver/common/bin:{{{oracle_home}}}{{#isWdtEnabled}}:${{{domain_home}}}/bin{{/isWdtEnabled}}
 
-## Create user and group
-RUN if [ -z "$(getent group {{groupid}})" ]; then hash groupadd &> /dev/null && groupadd {{groupid}} || exit -1 ; fi \
- && if [ -z "$(getent passwd {{userid}})" ]; then hash useradd &> /dev/null && useradd -g {{groupid}} {{userid}} || exit -1; fi \
- && mkdir /u01 \
- && chown {{userid}}:{{groupid}} /u01
-
 {{#installJava}}
     COPY --from=JDK_BUILD --chown={{userid}}:{{groupid}} {{{java_home}}} {{{java_home}}}/
 {{/installJava}}