Make Kustomize manifests more modular

kustomize/app/deployment.yaml

@@ -0,0 +1,43 @@
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: toy
+  labels:
+    app: toy
+
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: toy
+  template:
+    metadata:
+      labels:
+        app: toy
+    spec:
+      containers:
+        - name: toy
+          image: git.kill0.net/ryanc/toy:latest
+          ports:
+            - name: web
+              containerPort: 4567
+          env:
+            - name: SESSION_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: toy-session-secret
+                  key: toy-session-secret
+                  optional: true
+          livenessProbe:
+            httpGet:
+              path: /livez
+              port: 4567
+            initialDelaySeconds: 3
+            periodSeconds: 3
+          readinessProbe:
+            httpGet:
+              path: /readyz
+              port: 4567
+            initialDelaySeconds: 5
+            periodSeconds: 5

kustomize/app/ingress.yaml

@@ -0,0 +1,16 @@
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: toy-ingress
+spec:
+  rules:
+    - http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: toy
+                port:
+                  name: web

kustomize/app/kustomization.yaml

@@ -0,0 +1,8 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: toy
+resources:
+  - deployment.yaml
+  - services.yaml
+  - ingress.yaml

kustomize/app/services.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: toy
+
+spec:
+  ports:
+    - name: web
+      port: 80
+      targetPort: web
+  selector:
+    app: toy