Feat: add k8s(kustomize) support

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'