diff --git a/services/cagateway/README.md b/services/cagateway/README.md
new file mode 100644
index 0000000..5852236
--- /dev/null
+++ b/services/cagateway/README.md
@@ -0,0 +1,7 @@
+# To add a CA Gateway to talk to non-network host IOCs:
+
+module load pollux
+helm upgrade --install -n p47-beamline cagateway services/cagateway
+
+export EPICS_CA_ADDR_LIST=172.23.168.193:9064
+caget XXX
diff --git a/services/cagateway/templates/deployment.yaml b/services/cagateway/templates/deployment.yaml
index 48c8dc6..f6e7322 100644
--- a/services/cagateway/templates/deployment.yaml
+++ b/services/cagateway/templates/deployment.yaml
@@ -38,7 +38,7 @@ spec:
            - bash
           args:
            - "-c"
-           - "/epics/gateway -sport 9064 -cip 172.23.255.255 -pvlist /config/pvlist -access /config/access -log /dev/stdout -debug 1"
+           - "/epics/gateway -sport {{ .Values.ca_port }} -cip 172.23.255.255 -pvlist /config/pvlist -access /config/access -log /dev/stdout -debug 1"
           env:
             - name: IOC_NAME
               value: {{ .Release.Name }}
diff --git a/services/cagateway/templates/service.yaml b/services/cagateway/templates/service.yaml
new file mode 100644
index 0000000..eb182ca
--- /dev/null
+++ b/services/cagateway/templates/service.yaml
@@ -0,0 +1,22 @@
+
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: {{ .Release.Name }}
+  labels:
+    app: {{ .Release.Name }}
+spec:
+  type: LoadBalancer
+  ports:
+    - name: {{ .Release.Name }}-tcp
+      port: {{ .Values.ca_port }}
+      protocol: TCP
+      targetPort: {{ .Values.ca_port }}
+    - name: {{ .Release.Name }}-udp
+      port: {{ .Values.ca_port }}
+      protocol: UDP
+      targetPort: {{ .Values.ca_port }}
+  sessionAffinity: None
+  selector:
+    app: {{ .Release.Name }}
diff --git a/services/cagateway/values.yaml b/services/cagateway/values.yaml
index a839522..a156d14 100644
--- a/services/cagateway/values.yaml
+++ b/services/cagateway/values.yaml
@@ -1 +1,2 @@
 image: ghcr.io/epics-containers/docker-ca-gateway-debug:2.1.3ec1
+ca_port: 9064