feat: add nats (#8)

Author: lusu007

README.md

@@ -105,38 +105,6 @@ maven {
 |---------|-------------|
 | `make port-forward` | Port forward services to localhost |
 
-## 🌐 Service Access
-
-### PostgreSQL Database
-- **Namespace**: `databases`
-- **Credentials**: `app/app`
-- **Database**: `app`
-- **Port**: `5432`
-
-```bash
-# Port forward to access locally
-kubectl port-forward -n databases svc/postgresql 5432:5432
-```
-
-### Agones Game Server Platform
-- **Namespace**: `games`
-- **CRDs**: `fleets.agones.dev`, `gameservers.agones.dev`
-
-```bash
-# Check Agones status
-kubectl get fleets -n games
-kubectl get gameservers -n games
-```
-
-### Dummy HTTP Server (Testing)
-- **URL**: http://localhost/demo
-- **Namespace**: `infra`
-
-```bash
-# Test the server
-curl http://localhost/demo
-```
-
 ## 🐛 Quick Troubleshooting
 
 ```bash

helmfile.yaml

@@ -4,6 +4,8 @@ repositories:
     url: https://charts.bitnami.com/bitnami
   - name: agones
     url: https://agones.dev/chart/stable
+  - name: nats
+    url: https://nats-io.github.io/k8s/helm/charts
 
 # Helm releases in deployment order
 releases:
@@ -39,3 +41,13 @@ releases:
     wait: true
     timeout: 300
 
+  # NATS messaging system
+  - name: nats
+    namespace: infra
+    chart: nats/nats
+    values:
+      - values/nats.values.yaml
+    # Wait for NATS to be ready before proceeding
+    wait: true
+    timeout: 300
+

values/nats.values.yaml

@@ -0,0 +1,45 @@
+# NATS configuration for local development
+# Minimal single-node setup with JetStream persistence
+
+config:
+  cluster:
+    enabled: false
+
+  jetstream:
+    enabled: true
+    fileStore:
+      pvc:
+        enabled: true
+        size: 1Gi
+        storageClassName: local-path
+
+# Single replica for local development
+container:
+  image:
+    pullPolicy: IfNotPresent
+  env:
+    # Disable advertise to avoid issues in k3d
+    NATS_NO_ADVERTISE: "true"
+
+# Resource limits for local development
+resources:
+  requests:
+    cpu: 50m
+    memory: 64Mi
+  limits:
+    cpu: 250m
+    memory: 256Mi
+
+# Single NATS server replica
+replicaCount: 1
+
+# Disable NATS monitoring for local development
+promExporter:
+  enabled: false
+
+# Service configuration
+service:
+  enabled: true
+  ports:
+    nats:
+      enabled: true