backend files

base/backend/configmap.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: backend-config
+data:
+  db-host: "mysql"
+  db-name: "inventory"

base/backend/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: backend
+  labels:
+    app: backend
+    component: api
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: backend
+  template:
+    metadata:
+      labels:
+        app: backend
+        component: api
+    spec:
+      initContainers:
+      # Wait for MySQL to be ready
+      - name: wait-for-mysql
+        image: busybox:1.36
+        command:
+        - sh
+        - -c
+        - |
+          until nc -z mysql 3306; do
+            echo "Waiting for MySQL..."
+            sleep 2
+          done
+          echo "MySQL is ready!"
+      containers:
+      - name: backend
+        image: gitea.example.com/inventory/backend:latest  # Overridden by Kustomize
+        ports:
+        - containerPort: 3000
+          name: http
+        env:
+        - name: PORT
+          value: "3000"
+        - name: DB_HOST
+          valueFrom:
+            configMapKeyRef:
+              name: backend-config
+              key: db-host
+        - name: DB_PORT
+          value: "3306"
+        - name: DB_USER
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secret
+              key: user
+        - name: DB_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mysql-secret
+              key: password
+        - name: DB_NAME
+          valueFrom:
+            configMapKeyRef:
+              name: backend-config
+              key: db-name
+        resources:
+          requests:
+            memory: "128Mi"
+            cpu: "100m"
+          limits:
+            memory: "256Mi"
+            cpu: "200m"
+        livenessProbe:
+          httpGet:
+            path: /health
+            port: 3000
+          initialDelaySeconds: 15
+          periodSeconds: 10
+          timeoutSeconds: 5
+          failureThreshold: 3
+        readinessProbe:
+          httpGet:
+            path: /ready
+            port: 3000
+          initialDelaySeconds: 5
+          periodSeconds: 5
+          timeoutSeconds: 3
+          failureThreshold: 2

base/backend/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - deployment.yaml
+  - service.yaml
+  - configmap.yaml
+
+commonLabels:
+  tier: backend

base/backend/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: backend
+  labels:
+    app: backend
+    component: api
+spec:
+  type: ClusterIP
+  ports:
+  - port: 3000
+    targetPort: 3000
+    name: http
+  selector:
+    app: backend