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

k8s/ingress.yaml

@@ -0,0 +1,45 @@
+# k8s/ingress.yaml
+# ============================================
+# Chat Switchboard - Ingress
+# ============================================
+# Routes for a single subdomain:
+#   /api/*  → backend service (Go API on :8080)
+#   /*      → frontend service (nginx SPA on :80)
+# ============================================
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: switchboard${DEPLOY_SUFFIX}
+  namespace: ${NAMESPACE}
+  annotations:
+    cert-manager.io/cluster-issuer: "${CERT_ISSUER}"
+    traefik.ingress.kubernetes.io/router.entrypoints: websecure
+  labels:
+    app: switchboard
+    env: ${ENVIRONMENT}
+spec:
+  ingressClassName: "traefik"
+  tls:
+  - hosts:
+    - ${DEPLOY_HOST}
+    secretName: switchboard${DEPLOY_SUFFIX}-tls
+  rules:
+  - host: "${DEPLOY_HOST}"
+    http:
+      paths:
+      # API routes → backend
+      - path: /api
+        pathType: Prefix
+        backend:
+          service:
+            name: switchboard-be${DEPLOY_SUFFIX}
+            port:
+              number: 8080
+      # Everything else → frontend
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: switchboard-fe${DEPLOY_SUFFIX}
+            port:
+              number: 80