diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index d5b71a5..eb62489 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -14,7 +14,7 @@
 
 # xosproject/openstack-synchronizer
 
-FROM xosproject/xos-synchronizer-base:candidate
+FROM xosproject/xos-synchronizer-base:2.0.0
 
 COPY xos/synchronizer /opt/xos/synchronizers/openstack
 COPY VERSION /opt/xos/synchronizers/openstack/
diff --git a/VERSION b/VERSION
index 519af9a..3eefcb9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.0.0.dev
+1.0.0
diff --git a/extra/README.md b/extra/README.md
new file mode 100644
index 0000000..1cb8997
--- /dev/null
+++ b/extra/README.md
@@ -0,0 +1,13 @@
+# xosproject/neutron-onos image
+
+The file `neutron-newton-plus-onos-ml2` is used to generate the
+[xosproject/neutron-onos](https://hub.docker.com/r/xosproject/neutron-onos)
+container which includes the ONOS plugin for Neutron, which is used with
+[openstack-helm](https://guide.opencord.org/prereqs/openstack-helm.html).
+
+## Build instructions
+
+```shell
+docker build -t xosproject/neutron-onos -f neutron-newton-plus-onos-ml2 .
+```
+
diff --git a/extra/Dockerfile.neutron-newton-plus-onos-ml2 b/extra/neutron-newton-plus-onos-ml2
similarity index 100%
rename from extra/Dockerfile.neutron-newton-plus-onos-ml2
rename to extra/neutron-newton-plus-onos-ml2