Updated UBI to UBI8 (#35)

* Updated UBI to UBI8

* Updated the README to include the redhat login

* Updated to use non-deprecated registry

* Added sed filter into docker file to remove ubi7

* Added automatic login into the makefile based on env variables, also removed nodocs from mq-explorer

* Minor typo fix

incubating/mq-explorer/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM registry.access.redhat.com/ubi7/ubi-minimal AS mq-explorer
+FROM registry.redhat.io/ubi8/ubi-minimal AS mq-explorer
 
 # The URL to download the MQ installer from in tar.gz format
 ARG MQ_URL="https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/messaging/mqadv/mqadv_dev912_linux_x86-64.tar.gz"
@@ -22,7 +22,7 @@ ENV MQ_PACKAGES="MQSeriesRuntime*.rpm MQSeriesJRE*.rpm MQSeriesExplorer*.rpm"
 
 ARG MQM_UID=888
 
-RUN microdnf install -y --nodocs gtk2 libXtst \
+RUN microdnf install -y gtk2 libXtst \
   && microdnf clean all
 
 ADD install-mq.sh /usr/local/bin/

incubating/mq-sdk/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM registry.access.redhat.com/rhscl/devtoolset-7-toolchain-rhel7 AS mq-sdk
+FROM registry.redhat.io/rhscl/devtoolset-8-toolchain-rhel7  AS mq-sdk
 #FROM docker.io/centos/devtoolset-7-toolchain-centos7 AS mq-sdk
 
 # The URL to download the MQ installer from in tar.gz format

incubating/mqadvanced-server-dev/install-extra-packages.sh

@@ -15,6 +15,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Fail on any non-zero return code
+set -ex
+
 test -f /usr/bin/yum && YUM=true || YUM=false
 test -f /usr/bin/microdnf && MICRODNF=true || MICRODNF=false
 test -f /usr/bin/apt-get && UBUNTU=true || UBUNTU=false
@@ -33,6 +36,6 @@ if ($YUM); then
 fi
 
 if ($MICRODNF); then
-    microdnf install --nodocs sudo
+    microdnf install sudo
     microdnf clean all
 fi