diff --git a/argocd/applications/mongodb-operator.yaml b/argocd/applications/mongodb-operator.yaml
new file mode 100644
index 0000000..270d0c0
--- /dev/null
+++ b/argocd/applications/mongodb-operator.yaml
@@ -0,0 +1,21 @@
+---
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: mongodb-operator
+  namespace: argocd
+spec:
+  project: k-space.ee
+  source:
+    # also depends on git@git.k-space.ee:secretspace/kube.git
+    repoURL: git@git.k-space.ee:k-space/kube.git
+    targetRevision: HEAD
+    path: mongodb-operator
+  destination:
+    server: 'https://kubernetes.default.svc'
+    namespace: mongodb-operator
+  # syncPolicy:
+  #   automated:
+      # prune: true
+    syncOptions:
+      - CreateNamespace=true
diff --git a/mongodb-operator/.gitignore b/mongodb-operator/.gitignore
deleted file mode 100644
index 3bed397..0000000
--- a/mongodb-operator/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-application.yml
diff --git a/mongodb-operator/README.md b/mongodb-operator/README.md
index 413f488..8bfa4fd 100644
--- a/mongodb-operator/README.md
+++ b/mongodb-operator/README.md
@@ -1,13 +1,13 @@
 # MongoDB Community Kubernetes Operator
 
-To update operator itself:
+## Derployment
 
+With ArgoCD. Render it locally:
+
+```sh
+kustomize build . --enable-helm
 ```
-helm repo add mongodb https://mongodb.github.io/helm-charts
-helm template -n mongodb-operator community-operator mongodb/community-operator -f values.yaml > application.yml
-kubectl create namespace mongodb-operator
-kubectl apply -f application.yml
-```
+
 
 To update RBAC rules:
 
diff --git a/mongodb-operator/kustomization.yaml b/mongodb-operator/kustomization.yaml
new file mode 100644
index 0000000..88322b9
--- /dev/null
+++ b/mongodb-operator/kustomization.yaml
@@ -0,0 +1,13 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: mongodb-operator
+
+# spec: https://kubectl.docs.kubernetes.io/references/kustomize/builtins/#_helmchartinflationgenerator_
+helmCharts:
+- includeCRDs: true
+  name: &name community-operator
+  releaseName: *name
+  repo: https://mongodb.github.io/helm-charts
+  valuesFile: values.yaml
+  version: 0.10.0 # helm search repo mongodb/community-operator --versions