Ft/cluster config

.github/workflows/deploy.yml

@@ -34,7 +34,12 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
             type=sha,format=long
-            latest
+            type=raw,value=latest
+          flavor: |
+            lower=true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v7

Makefile

@@ -31,4 +31,22 @@ mock:
 server:
 	go run main.go
 
-.PHONY: postgres createdb dropdb migrateup migratedown sqlc test mock server migrateup1 migratedown1
+cluster_stop:
+	k3d cluster stop gobank-cluster
+
+cluster_start:
+	k3d cluster start gobank-cluster
+
+cluster_db:
+	kubectl apply -f postgres-cluster.yaml
+
+cluster_gobank_api:
+	kubectl apply -f gobank-api-deployment.yaml
+
+cluster_gobank:
+	k3d cluster create gobank-cluster --api-port 6550 -p "80:80@loadbalancer" -p "443:443@loadbalancer" --agents 2
+
+db_tunnel:
+	kubectl port-forward svc/gobank-db-rw 5432:5432
+
+.PHONY: postgres createdb dropdb migrateup migratedown sqlc test mock server migrateup1 migratedown1 cluster_db cluster_start cluster_stop cluster_gobank cluster_gobank_api db_tunnel

README.md

@@ -0,0 +1,56 @@
+Create gobank cluster via:
+# Basic Commands
+
+```bash
+make cluster_gobank
+```
+
+Create postgres database cluster credentials via: 
+```bash
+kubectl create secret generic db-creds --from-literal=username=root --from-literal=password='YOUR_PASSWORD_HERE'
+```
+
+Delete postgres database cluster credentials via:
+```bash
+kubectl delete secret db-creds
+```
+
+Check pods via:
+```bash
+kubectl get pods
+```
+
+Delete a deployment via:
+```bash
+kubectl delete deployment DEPLOYMENT_NAME
+```
+
+Apply a deployment yaml file via:
+```bash
+kubectl apply -f PATH_TO_YAML
+```
+
+Create postgres database cluster via:
+```bash
+make cluster_db
+```
+
+Create gobank-api cluster via:
+```bash
+make cluster_gobank_api
+```
+
+Start cluster via:
+```bash
+make cluster_start
+```
+
+Stop cluster via:
+```bash
+make cluster_stop
+```
+
+Expose a port to database via:
+```bash
+kubectl port-forward svc/gobank-db-rw 5432:5432
+```

gobank-api-deployment.yaml

@@ -0,0 +1,73 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: gobank-api
+  labels:
+    app: gobank-api
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: gobank-api
+  template:
+    metadata:
+      labels:
+        app: gobank-api
+    spec:
+      containers:
+        - name: gobank-api
+          image: ghcr.io/hypernaser/gobank:latest
+          ports:
+            - containerPort: 8080
+          resources:
+            requests:
+              cpu: "100m"
+              memory: "64Mi"
+            limits:
+              cpu: "500m"
+              memory: "128Mi"
+          env:
+            - name: PGPASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: db-creds
+                  key: password
+            - name: PGUSER
+              valueFrom:
+                secretKeyRef:
+                  name: db-creds
+                  key: username
+            - name: DB_SOURCE
+              value: "postgres://gobank-db-rw:5432/gobank?sslmode=disable"
+---
+# The Service (The Internal Load Balancer)
+apiVersion: v1
+kind: Service
+metadata:
+  name: gobank-api-service
+spec:
+  selector:
+    app: gobank-api
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 8080
+---
+# The Ingress (The External Load Balancer)
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: gobank-ingress
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+spec:
+  rules:
+    - http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: gobank-api-service
+                port:
+                  number: 80

postgres-cluster.yaml

@@ -0,0 +1,22 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: gobank-db
+spec:
+  instances: 3
+
+  imageName: ghcr.io/cloudnative-pg/postgresql:18.3
+
+  bootstrap:
+    initdb:
+      database: gobank
+      owner: root
+      secret:
+        name: db-creds 
+
+  storage:
+    size: 1Gi
+
+  affinity:
+    enablePodAntiAffinity: true
+    topologyKey: kubernetes.io/hostname