Add make target to generate install manifests

Makefile

@@ -119,6 +119,10 @@ deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in
 undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config.
 	$(KUSTOMIZE) build config/default | kubectl delete -f -
 
+manifest-package: manifests kustomize ## Generate full manifest file for easy controller deployment
+	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
+	$(KUSTOMIZE) build config/default | tee install/synapse-operator.yaml
+
 
 CONTROLLER_GEN = $(shell pwd)/bin/controller-gen
 controller-gen: ## Download controller-gen locally if necessary.

README.md

@@ -10,6 +10,28 @@ offers a convenient way to deploy and manage a
 
 Each of the following sections present one way to deploy the Synapse operator.
 
+### Deploy the controller using the existing manifest file
+
+The easiest way to deploy the Synapse operator is to use the manifest file
+present in the `install` directory:
+
+```shell
+$ kubectl apply -f install/synapse-operator.yaml
+namespace/synapse-operator-system created
+customresourcedefinition.apiextensions.k8s.io/synapses.synapse.opdev.io configured
+serviceaccount/synapse-operator-controller-manager created
+role.rbac.authorization.k8s.io/synapse-operator-leader-election-role created
+clusterrole.rbac.authorization.k8s.io/synapse-operator-manager-role created
+clusterrole.rbac.authorization.k8s.io/synapse-operator-metrics-reader created
+clusterrole.rbac.authorization.k8s.io/synapse-operator-proxy-role created
+rolebinding.rbac.authorization.k8s.io/synapse-operator-leader-election-rolebinding created
+clusterrolebinding.rbac.authorization.k8s.io/synapse-operator-manager-rolebinding created
+clusterrolebinding.rbac.authorization.k8s.io/synapse-operator-proxy-rolebinding created
+configmap/synapse-operator-manager-config created
+service/synapse-operator-controller-manager-metrics-service created
+deployment.apps/synapse-operator-controller-manager created
+```
+
 ### Run the controller locally with `make run`
 
 Install the `Synapse` CRD with: