add k8s config for multi-client

k8s/client-cluster-ip-service.yml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: client-cluster-ip-service
+spec:
+  type: ClusterIP
+  selector:
+    component: web
+  ports:
+    - port: 3000
+      targetPort: 3000

k8s/client-deployment.yml

@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: client-deployment
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      component: web
+  template:
+    metadata:
+      labels:
+        component: web
+    spec:
+      containers:
+        - name: client
+          image: anr35/multi-client
+          ports:
+            - containerPort: 3000

k8s/dash-admin-user.yml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: admin-user
+  namespace: kubernetes-dashboard
+

k8s/dash-clusterrole.yml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: admin-user
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+  - kind: ServiceAccount
+    name: admin-user
+    namespace: kubernetes-dashboard

k8s/database-persistent-volume-claim.yml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: database-persistent-volume-claim
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi

k8s/ingress-service.yml

@@ -0,0 +1,26 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: ingress-service
+  annotations:
+    kubernetes.io/ingress.class: 'nginx'
+    nginx.ingress.kubernetes.io/use-regex: 'true'
+    nginx.ingress.kubernetes.io/rewrite-target: /$1
+spec:
+  rules:
+    - http:
+        paths:
+          - path: /?(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: client-cluster-ip-service
+                port:
+                  number: 3000
+          - path: /api/?(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: server-cluster-ip-service
+                port:
+                  number: 5000

k8s/postgres-cluster-ip-service.yml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres-cluster-ip-service
+spec:
+  type: ClusterIP
+  selector:
+    component: postgres
+  ports:
+    - port: 5432
+      targetPort: 5432

k8s/postgres-deployment.yml

@@ -0,0 +1,33 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      component: postgres
+  template:
+    metadata:
+      labels:
+        component: postgres
+    spec:
+      volumes:
+        - name: postgres-storage
+          persistentVolumeClaim:
+            claimName: database-persistent-volume-claim
+      containers:
+        - name: postgres
+          image: postgres:alpine3.17
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+            - name: postgres-storage
+              mountPath: /var/lib/postgresql/data
+              subPath: postgres
+          env:
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: pgpassword
+                  key: POSTGRES_PASSWORD

k8s/redis-cluster-ip-service.yml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-cluster-ip-service
+spec:
+  type: ClusterIP
+  selector:
+    component: redis
+  ports:
+    - port: 6379
+      targetPort: 6379

k8s/redis-deployment.yml

@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      component: redis
+  template:
+    metadata:
+      labels:
+        component: redis
+    spec:
+      containers:
+        - name: redis
+          image: redis:6.2.11-alpine3.17
+          ports:
+            - containerPort: 6379

k8s/server-cluster-ip-service.yml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: server-cluster-ip-service
+spec:
+  type: ClusterIP
+  selector:
+    component: server
+  ports:
+    - port: 5000
+      targetPort: 5000

k8s/server-deployment.yml

@@ -0,0 +1,37 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: server-deployment
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      component: server
+  template:
+    metadata:
+      labels:
+        component: server
+    spec:
+      containers:
+        - name: server
+          image: anr35/multi-server
+          ports:
+            - containerPort: 5000
+          env:
+            - name: REDIS_HOST
+              value: redis-cluster-ip-service
+            - name: REDIS_PORT
+              value: '6379'
+            - name: POSTGRES_USER
+              value: postgres
+            - name: PGHOST
+              value: postgres-cluster-ip-service
+            - name: PGPORT
+              value: '5432'
+            - name: POSTGRES_DB
+              value: postgres
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: pgpassword
+                  key: POSTGRES_PASSWORD

k8s/worker-deployment.yml

@@ -0,0 +1,22 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: worker-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      component: worker
+  template:
+    metadata:
+      labels:
+        component: worker
+    spec:
+      containers:
+        - name: worker
+          image: anr35/multi-worker
+          env:
+            - name: REDIS_HOST
+              value: redis-cluster-ip-service
+            - name: REDIS_PORT
+              value: '6379'