Refactor Kubernetes deployment process to use manifest files and environment variable substitution

k8s/deployment.yaml

@@ -0,0 +1,29 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ${APP_NAME}
+  namespace: ${NAMESPACE}
+  labels:
+    app: ${APP_NAME}
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: ${APP_NAME}
+  template:
+    metadata:
+      labels:
+        app: ${APP_NAME}
+    spec:
+      containers:
+      - name: ${APP_NAME}
+        image: ${REGISTRY}/${IMAGE_NAME}:${IMAGE_TAG}
+        ports:
+        - containerPort: 5173
+        resources:
+          requests:
+            memory: "256Mi"
+            cpu: "250m"
+          limits:
+            memory: "512Mi"
+            cpu: "500m"

k8s/ingress.yaml

@@ -0,0 +1,21 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: ${APP_NAME}-ingress
+  namespace: ${NAMESPACE}
+  labels:
+    app: ${APP_NAME}
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+spec:
+  rules:
+  - host: ${HOST}
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: ${APP_NAME}-service
+            port:
+              number: 80

k8s/service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: ${APP_NAME}-service
+  namespace: ${NAMESPACE}
+spec:
+  selector:
+    app: ${APP_NAME}
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 5173
+  type: ClusterIP