Add NATS deployment and service configuration, integrate environment variables, and update server to support NATS and Redis connections.

k8s/app.yaml

@@ -22,6 +22,11 @@ spec:
         - containerPort: 8080
           name: http
           protocol: TCP
+        env:
+        - name: REDIS_ADDR
+          value: "redis-service:6379"
+        - name: NATS_URL
+          value: "nats://nats-service:4222"
         livenessProbe:
           httpGet:
             path: /health

k8s/nats.yaml

@@ -0,0 +1,55 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nats
+  labels:
+    app: nats
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: nats
+  template:
+    metadata:
+      labels:
+        app: nats
+    spec:
+      containers:
+      - name: nats
+        image: nats:2-alpine
+        ports:
+        - containerPort: 4222
+          name: client
+        - containerPort: 8222
+          name: monitoring
+        resources:
+          requests:
+            memory: "64Mi"
+            cpu: "100m"
+          limits:
+            memory: "256Mi"
+            cpu: "500m"
+        args:
+        - "-js"
+        - "-m"
+        - "8222"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nats-service
+  labels:
+    app: nats
+spec:
+  type: ClusterIP
+  selector:
+    app: nats
+  ports:
+  - port: 4222
+    targetPort: 4222
+    name: client
+    protocol: TCP
+  - port: 8222
+    targetPort: 8222
+    name: monitoring
+    protocol: TCP