diff --git a/README.md b/README.md
index 7184312f..66c68fdc 100644
--- a/README.md
+++ b/README.md
@@ -18,8 +18,10 @@ Example:
 
 A CR is an actual instance of the type defined by the CRD.
 
-Example:
-`config/samples/databases_v1_postgresql.yaml`
+Examples:
+* `config/samples/databases_v1_postgresql.yaml`
+* `doc/examples/custom_resources/cr-postgresql.starter.yaml`
+* `doc/examples/custom_resources/cr-postgresql.enterprise.yaml`
 
 # Usage
 
diff --git a/doc/examples/custom_resources/cr-postgresql.enterprise.yaml b/doc/examples/custom_resources/cr-postgresql.enterprise.yaml
new file mode 100644
index 00000000..a0344890
--- /dev/null
+++ b/doc/examples/custom_resources/cr-postgresql.enterprise.yaml
@@ -0,0 +1,33 @@
+# Custom Resource example
+#
+# Use your own values for these fields:
+# * metadata.name
+# * spec.name
+# * spec.connInfoSecretTarget.name
+#
+apiVersion: databases.scalingo.com/v1
+kind: PostgreSQL
+metadata:
+  labels:
+    app.kubernetes.io/name: scalingo-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: postgresql-sample
+spec:
+  authSecret:
+    name: scalingo
+    key: api_token
+  connInfoSecretTarget:
+    name: my-postgresql-secret
+    
+  networking:
+    internet_access:
+      enabled: true
+    firewall:
+      rules:
+        - type: "custom_range"
+          cidr: "0.0.0.0/0"
+          label: "Allow all"
+
+  name: my-postgresql-database
+  plan: postgresql-dr-enterprise-4096
+  region: osc-fr1
diff --git a/doc/examples/custom_resources/cr-postgresql.starter.custom_rules.yaml b/doc/examples/custom_resources/cr-postgresql.starter.custom_rules.yaml
new file mode 100644
index 00000000..0b98886d
--- /dev/null
+++ b/doc/examples/custom_resources/cr-postgresql.starter.custom_rules.yaml
@@ -0,0 +1,40 @@
+# Custom Resource example
+#
+# Use your own values for these fields:
+# * metadata.name
+# * spec.name
+# * spec.connInfoSecretTarget.name
+#
+apiVersion: databases.scalingo.com/v1
+kind: PostgreSQL
+metadata:
+  labels:
+    app.kubernetes.io/name: scalingo-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: postgresql-sample
+spec:
+  authSecret:
+    name: scalingo
+    key: api_token
+  connInfoSecretTarget:
+    name: my-postgresql-secret
+    
+  networking:
+    internet_access:
+      enabled: true
+    firewall:
+      rules:
+        - type: "custom_range"
+          cidr: "192.168.0.0/24"
+        - type: "custom_range"
+          cidr: "192.168.1.1/32"
+        - type: "custom_range"
+          cidr: "192.168.1.2/32"
+        - type: "custom_range"
+          cidr: "192.168.1.3/32"
+        - type: "managed_range"
+          range_id: "man-osc-fr1-egress"
+
+  name: my-postgresql-database
+  plan: postgresql-dr-starter-4096
+  region: osc-fr1
diff --git a/doc/examples/custom_resources/cr-postgresql.starter.yaml b/doc/examples/custom_resources/cr-postgresql.starter.yaml
new file mode 100644
index 00000000..37c9b6cf
--- /dev/null
+++ b/doc/examples/custom_resources/cr-postgresql.starter.yaml
@@ -0,0 +1,33 @@
+# Custom Resource example
+#
+# Use your own values for these fields:
+# * metadata.name
+# * spec.name
+# * spec.connInfoSecretTarget.name
+#
+apiVersion: databases.scalingo.com/v1
+kind: PostgreSQL
+metadata:
+  labels:
+    app.kubernetes.io/name: scalingo-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: postgresql-sample
+spec:
+  authSecret:
+    name: scalingo
+    key: api_token
+  connInfoSecretTarget:
+    name: my-postgresql-secret
+    
+  networking:
+    internet_access:
+      enabled: true
+    firewall:
+      rules:
+        - type: "custom_range"
+          cidr: "0.0.0.0/0"
+          label: "Allow all"
+
+  name: my-postgresql-database
+  plan: postgresql-dr-starter-4096
+  region: osc-fr1