commit 29

makefile

@@ -136,6 +136,8 @@ dev-up-local:
 	kubectl wait --timeout=120s --namespace=local-path-storage --for=condition=Available deployment/local-path-provisioner
 
 	kind load docker-image $(TELEPRESENCE) --name $(KIND_CLUSTER)
+	kind load docker-image $(POSTGRES) --name $(KIND_CLUSTER)
+
 
 # step 2
 # if need password is @SHxx2014030104
@@ -161,6 +163,9 @@ dev-restart:
 	kubectl rollout restart deployment $(APP) --namespace=$(NAMESPACE)
 
 dev-apply:
+	kustomize build zarf/k8s/dev/database | kubectl apply -f -
+	kubectl rollout status --namespace=$(NAMESPACE) --watch --timeout=120s sts/database
+
 	kustomize build zarf/k8s/dev/sales | kubectl apply -f -
 	kubectl wait pods --namespace=$(NAMESPACE) --selector app=$(APP) --for=condition=Ready
 
@@ -232,3 +237,9 @@ readiness-local:
 
 readiness:
 	curl -il http://$(SERVICE_NAME).$(NAMESPACE).svc.cluster.local:4000/debug/readiness
+
+pgcli-local:
+	pgcli postgresql://postgres:postgres@localhost
+
+pgcli:
+	pgcli postgresql://postgres:postgres@database-service.$(NAMESPACE).svc.cluster.local

zarf/k8s/dev/database/dev-database.yaml

@@ -0,0 +1,92 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: sales-system
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: database-data
+  namespace: sales-system
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: database
+  namespace: sales-system
+spec:
+  selector:
+    matchLabels:
+      app: database
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: database
+    spec:
+      dnsPolicy: ClusterFirstWithHostNet
+      hostNetwork: true
+      terminationGracePeriodSeconds: 60
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: database-data
+      containers:
+      - name: postgres
+        image: postgres:15.3
+        volumeMounts:
+          - name: data
+            mountPath: /var/lib/postgresql/data
+        resources:
+          requests:
+            cpu: "500m" # I need access to 1/2 core on the node.
+            memory: 500Mi
+          limits:
+            cpu: "500m" # Execute instructions 50ms/100ms on my 1/2 core.
+            memory: 500Mi
+        env:
+        - name: POSTGRES_PASSWORD
+          value: postgres
+        ports:
+        - name: postgres
+          containerPort: 5432
+        livenessProbe:
+          exec:
+            command:
+            - pg_isready
+            - -h
+            - localhost
+            - -U
+            - postgres
+          initialDelaySeconds: 30
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - pg_isready
+            - -h
+            - localhost
+            - -U
+            - postgres
+          initialDelaySeconds: 5
+          timeoutSeconds: 1
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: database-service
+  namespace: sales-system
+spec:
+  type: ClusterIP
+  selector:
+    app: database
+  ports:
+  - name: postgres
+    port: 5432
+    targetPort: postgres

zarf/k8s/dev/database/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ./dev-database.yaml