Add Kubernetes manifests for notification-system

Author: youneedgreg

k8s/infra.yaml

@@ -0,0 +1,125 @@
+# Minimal in-cluster infra for local/dev clusters (kind/minikube).
+# For production, prefer managed services (RDS/Cloud SQL, Elasticache,
+# Amazon MQ) or the Bitnami subcharts wired up in charts/notification-system.
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: postgres
+  namespace: notification-system
+spec:
+  serviceName: postgres
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          image: postgres:15-alpine
+          ports:
+            - containerPort: 5432
+          envFrom:
+            - configMapRef:
+                name: notification-system-config
+          env:
+            - name: POSTGRES_DB
+              value: notification_system
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: notification-system-secrets
+                  key: DB_PASSWORD
+          volumeMounts:
+            - name: data
+              mountPath: /var/lib/postgresql/data
+  volumeClaimTemplates:
+    - metadata:
+        name: data
+      spec:
+        accessModes: ["ReadWriteOnce"]
+        resources:
+          requests:
+            storage: 5Gi
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres
+  namespace: notification-system
+spec:
+  selector:
+    app: postgres
+  ports:
+    - port: 5432
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis
+  namespace: notification-system
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: redis
+  template:
+    metadata:
+      labels:
+        app: redis
+    spec:
+      containers:
+        - name: redis
+          image: redis:7-alpine
+          ports:
+            - containerPort: 6379
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-master
+  namespace: notification-system
+spec:
+  selector:
+    app: redis
+  ports:
+    - port: 6379
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: rabbitmq
+  namespace: notification-system
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: rabbitmq
+  template:
+    metadata:
+      labels:
+        app: rabbitmq
+    spec:
+      containers:
+        - name: rabbitmq
+          image: rabbitmq:3.12-management-alpine
+          ports:
+            - containerPort: 5672
+            - containerPort: 15672
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: rabbitmq
+  namespace: notification-system
+spec:
+  selector:
+    app: rabbitmq
+  ports:
+    - name: amqp
+      port: 5672
+    - name: management
+      port: 15672