diff --git a/k8s/deploy.backend.yaml b/k8s/deploy.backend.yaml
new file mode 100644
index 0000000..9d3a896
--- /dev/null
+++ b/k8s/deploy.backend.yaml
@@ -0,0 +1,30 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: cnd2025-backend
+  labels:
+    app: cnd2025-backend
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: cnd2025-backend
+  template:
+    metadata:
+      labels:
+        app: cnd2025-backend
+    spec:
+      containers:
+        - name: backend
+          image: gitea.konchin.com/ytshih/cnd2025-hw3/backend:latest
+          ports:
+            - name: http
+              containerPort: 8888
+          env:
+            - name: PORT
+              value: '8888'
+            - name: HOST
+              value: '0.0.0.0'
+            - name: MONGO_CONNECTION_STRING
+              value: 'mongodb://cnd2025-mongo.cnd2025.svc.cluster.local:27017/todo'
diff --git a/k8s/deploy.frontend.yaml b/k8s/deploy.frontend.yaml
new file mode 100644
index 0000000..dc09270
--- /dev/null
+++ b/k8s/deploy.frontend.yaml
@@ -0,0 +1,23 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: cnd2025-frontend
+  labels:
+    app: cnd2025-frontend
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: cnd2025-frontend
+  template:
+    metadata:
+      labels:
+        app: cnd2025-frontend
+    spec:
+      containers:
+        - name: frontend
+          image: gitea.konchin.com/ytshih/cnd2025-hw3/frontend:latest
+          ports:
+            - name: http
+              containerPort: 80
diff --git a/k8s/deploy.mongo.yaml b/k8s/deploy.mongo.yaml
new file mode 100644
index 0000000..efd5181
--- /dev/null
+++ b/k8s/deploy.mongo.yaml
@@ -0,0 +1,23 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: cnd2025-mongo
+  labels:
+    app: cnd2025-mongo
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: cnd2025-mongo
+  template:
+    metadata:
+      labels:
+        app: cnd2025-mongo
+    spec:
+      containers:
+        - name: mongo
+          image: docker.io/library/mongo:8.0
+          ports:
+            - name: mongo
+              containerPort: 27017
diff --git a/k8s/ingress.yaml b/k8s/ingress.yaml
new file mode 100644
index 0000000..63f3e4e
--- /dev/null
+++ b/k8s/ingress.yaml
@@ -0,0 +1,24 @@
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  namespace: cnd2025
+  name: cnd2025
+spec:
+  rules:
+    - http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: cnd2025-frontend
+                port:
+                  number: 80
+          - path: /api
+            pathType: Prefix
+            backend:
+              service:
+                name: cnd2025-backend
+                port:
+                  number: 80
diff --git a/k8s/kustomization.yaml b/k8s/kustomization.yaml
new file mode 100644
index 0000000..b006498
--- /dev/null
+++ b/k8s/kustomization.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: cnd2025
+generatorOptions:
+  disableNameSuffixHash: true
+resources:
+  - namespace.yaml
+  - deploy.frontend.yaml
+  - deploy.backend.yaml
+  - deploy.mongo.yaml
+  - svc.frontend.yaml
+  - svc.backend.yaml
+  - svc.mongo.yaml
+  - ingress.yaml
diff --git a/k8s/namespace.yaml b/k8s/namespace.yaml
new file mode 100644
index 0000000..67c5739
--- /dev/null
+++ b/k8s/namespace.yaml
@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: cnd2025
diff --git a/k8s/svc.backend.yaml b/k8s/svc.backend.yaml
new file mode 100644
index 0000000..0b76f69
--- /dev/null
+++ b/k8s/svc.backend.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: cnd2025-backend
+  labels:
+    app: cnd2025-backend
+spec:
+  type: ClusterIP
+  selector:
+    app: cnd2025-backend
+  ports:
+    - name: http
+      port: 80
+      targetPort: 8888
diff --git a/k8s/svc.frontend.yaml b/k8s/svc.frontend.yaml
new file mode 100644
index 0000000..5157732
--- /dev/null
+++ b/k8s/svc.frontend.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: cnd2025-frontend
+  labels:
+    app: cnd2025-frontend
+spec:
+  type: ClusterIP
+  selector:
+    app: cnd2025-frontend
+  ports:
+    - name: http
+      port: 80
+      targetPort: 80
diff --git a/k8s/svc.mongo.yaml b/k8s/svc.mongo.yaml
new file mode 100644
index 0000000..6a2c67c
--- /dev/null
+++ b/k8s/svc.mongo.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: cnd2025-mongo
+  labels:
+    app: cnd2025-mongo
+spec:
+  type: ClusterIP
+  selector:
+    app: cnd2025-mongo
+  ports:
+    - name: mongo
+      port: 27017
+      targetPort: 27017