Remove references to the preupgrade.jar from MOS to simplify this example.

Author: oraclebase

database/ol7_121_122/Dockerfile

@@ -41,7 +41,6 @@ ENV ORACLE_BASE=/u01/app/oracle \
  ORA_INVENTORY=/u01/app/oraInventory \
  SOFTWARE_DIR=/u01/software \
  DB_SOFTWARE="linuxx64_12201_database.zip" \
- PREUPGRADE_SOFTWARE="preupgrade_12201_cbuild_20_lf.zip" \
  ORACLE_PASSWORD="oracle" \
  SCRIPTS_DIR=/u01/scripts \
  ORAENV_ASK=NO
@@ -63,11 +62,6 @@ COPY scripts/* ${SCRIPTS_DIR}/
 # ------------------------------------------------------------------------------
 # Unpack all the software and remove the media.
 # No config done in the build phase.
-# 
-# Manually create user and group as preinstall package creates the with
-# high IDs, which causes issues. Note 2 on link below.
-# https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#user
-#
 USER root
 
 RUN mkdir -p ${ORACLE_HOME_2} && \
@@ -107,10 +101,7 @@ RUN ${SOFTWARE_DIR}/database/runInstaller -ignoreSysPrereqs -ignorePrereq \
  DECLINE_SECURITY_UPDATES=true
 
 # Remove source software and put the latest "preupgrade.jar" file in place.
-RUN rm -Rf ${SOFTWARE_DIR}/database && \
- cd ${ORACLE_HOME_2}/rdbms/admin/ && \
- mv ${SOFTWARE_DIR}/${PREUPGRADE_SOFTWARE} ./${PREUPGRADE_SOFTWARE} && \
- unzip -oq ${PREUPGRADE_SOFTWARE}
+RUN rm -Rf ${SOFTWARE_DIR}/database
 
 # Run the root scripts
 USER root