[BACKEND] Initialize Go backend structure and dependencies (#23)

k8s/frontend.yaml

@@ -0,0 +1,80 @@
+# k8s/frontend.yaml
+# ============================================
+# Chat Switchboard - Frontend Deployment
+# ============================================
+# Static nginx serving the SPA. No /api/ proxy here —
+# the Ingress routes /api/ directly to the backend service.
+# ============================================
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: switchboard-fe${DEPLOY_SUFFIX}
+  namespace: ${NAMESPACE}
+  labels:
+    app: switchboard
+    component: frontend
+    env: ${ENVIRONMENT}
+spec:
+  replicas: ${FE_REPLICAS}
+  selector:
+    matchLabels:
+      app: switchboard
+      component: frontend
+      env: ${ENVIRONMENT}
+  template:
+    metadata:
+      labels:
+        app: switchboard
+        component: frontend
+        env: ${ENVIRONMENT}
+    spec:
+      containers:
+      - name: frontend
+        image: ${FE_IMAGE}:${IMAGE_TAG}
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 80
+          name: http
+        resources:
+          requests:
+            memory: "${FE_MEMORY_REQUEST}"
+            cpu: "${FE_CPU_REQUEST}"
+          limits:
+            memory: "${FE_MEMORY_LIMIT}"
+            cpu: "${FE_CPU_LIMIT}"
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 80
+          initialDelaySeconds: 3
+          periodSeconds: 10
+          timeoutSeconds: 3
+          failureThreshold: 3
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 80
+          initialDelaySeconds: 5
+          periodSeconds: 30
+          timeoutSeconds: 5
+          failureThreshold: 3
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: switchboard-fe${DEPLOY_SUFFIX}
+  namespace: ${NAMESPACE}
+  labels:
+    app: switchboard
+    component: frontend
+    env: ${ENVIRONMENT}
+spec:
+  selector:
+    app: switchboard
+    component: frontend
+    env: ${ENVIRONMENT}
+  ports:
+  - protocol: TCP
+    port: 80
+    targetPort: 80
+    name: http