diff --git a/hello-swarm/Dockerfile b/hello-swarm/Dockerfile
index 800a62c..9dc0b98 100644
--- a/hello-swarm/Dockerfile
+++ b/hello-swarm/Dockerfile
@@ -1,4 +1,4 @@
-FROM   registry.access.redhat.com/rhel7:7.6
+FROM   registry.access.redhat.com/ubi8/ubi:8.0
 
 MAINTAINER   Red Hat Training <training@redhat.com>
 
@@ -7,14 +7,13 @@ ENV	  JAVA_OPTIONS -Xmx512m
 
 
 # Install the Java runtime, create a user for running the app, and set permissions
-RUN   rpm --rebuilddb && \
-      yum install -y --noplugins java-1.8.0-openjdk-headless && \
-      yum clean all --noplugins -y && \
+RUN   dnf install -y --noplugins java-1.8.0-openjdk-headless && \
+      dnf clean all --noplugins -y && \
       useradd wildfly && \
       mkdir -p /opt/app-root/bin
 
 # Copy the runnable fat JAR to the container.
-ADD   http://content.example.com/ocp4.0/x86_64/installers/hello-swarm.jar /opt/app-root/bin/
+ADD   https://github.com/RedHatTraining/DO288-apps/releases/download/1.0/hello-swarm.jar /opt/app-root/bin/
 
 COPY  run-app.sh /opt/app-root/bin/
 
@@ -26,4 +25,4 @@ EXPOSE 8080
 USER  wildfly
 
 # Run the fat JAR
-CMD   /opt/app-root/bin/run-app.sh
\ No newline at end of file
+CMD   /opt/app-root/bin/run-app.sh