diff --git a/Dockerfile b/Dockerfile
index d2ce1a5..1b93d70 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,10 @@
-FROM luketillman/datastax-enterprise:5.1.0
+FROM store/datastax/dse-server:5.1.4
 
 # Copy schema files into /opt/killrvideo-data
 COPY [ "lib/killrvideo-data/graph/killrvideo_video_recommendations_schema.groovy", "lib/killrvideo-data/schema.cql", "lib/killrvideo-data/search/*.xml", "keyspace.cql", "/opt/killrvideo-data/" ]
 
-# Copy bootstrap script(s) and make executable
+# Copy bootstrap script(s) 
 COPY [ "bootstrap-external-cluster.sh", "lib/wait-for-it/wait-for-it.sh", "/" ]
-RUN chmod +x /bootstrap-external-cluster.sh /wait-for-it.sh
 
 # Set the entrypoint to the bootstrap script
 ENTRYPOINT [ "/bootstrap-external-cluster.sh" ]
diff --git a/bootstrap-external-cluster.sh b/bootstrap-external-cluster.sh
old mode 100644
new mode 100755
index 859cc37..86e986f
--- a/bootstrap-external-cluster.sh
+++ b/bootstrap-external-cluster.sh
@@ -28,7 +28,7 @@ echo '=> Spoofing DSE Graph in ETCD'
 curl http://$KILLRVIDEO_DOCKER_IP:2379/v2/keys/killrvideo/services/$SERVICE_8182_NAME/external_cluster -XPUT -d value="$EXTERNAL_CLUSTER_IP:8182"
 
   # See if we've already completed bootstrapping
-  if [ ! -f /killrvideo_bootstrapped ]; then
+  if [ ! -f killrvideo_bootstrapped ]; then
     echo 'Setting up KillrVideo on EXTERNAL cluster'
 
     # Wait for port 9042 (CQL) to be ready for up to 120 seconds
@@ -78,7 +78,7 @@ curl http://$KILLRVIDEO_DOCKER_IP:2379/v2/keys/killrvideo/services/$SERVICE_8182
     dse gremlin-console -e /opt/killrvideo-data/killrvideo_video_recommendations_schema.groovy
 
     # Don't bootstrap next time we start
-    touch /killrvideo_bootstrapped
+    touch killrvideo_bootstrapped
 
     # Now allow DSE to start normally below
     echo 'KillrVideo has been setup, EXTERNAL DSE cluster ready to go'
diff --git a/build/VERSION b/build/VERSION
index 1ab9918..62ce70f 100644
--- a/build/VERSION
+++ b/build/VERSION
@@ -1 +1 @@
-DOCKER_BUILD_TAG=3.0.0
+DOCKER_BUILD_TAG=4.0.0