diff --git a/values.yaml b/values.yaml
new file mode 100644
index 0000000..4308f6f
--- /dev/null
+++ b/values.yaml
@@ -0,0 +1,32 @@
+image:
+  registry: docker.io
+  repository: postgres
+  tag: "18.1-alpine3.22"
+  pullPolicy: IfNotPresent
+
+replicaCount: 1
+
+service:
+  type: ClusterIP
+  port: 5432
+
+postgres:
+  database: mydb
+  user: postgres
+  # パスワードは必ずSecretで管理してください
+  existingSecret: ""
+  passwordKey: "postgres-password"
+
+persistence:
+  enabled: true
+  storageClass: ""
+  accessMode: ReadWriteOnce
+  size: 8Gi
+
+resources:
+  limits:
+    cpu: 1000m
+    memory: 1Gi
+  requests:
+    cpu: 500m
+    memory: 512Mi