### Ingress конфигурация для Application Load Balancer

Source: https://yandex.cloud/docs/application-load-balancer/tools/gwin

Пример конфигурации с использованием ресурса Ingress. Создает балансировщик с динамическим публичным IP, принимает HTTP на порту 80 и HTTPS на порту 443 с сертификатом, отправляет GET-запросы к сервису example-service.

```yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: example-ingress
  namespace: example-ns
  annotations:
    gwin.yandex.cloud/groupName: example
    gwin.yandex.cloud/externalIPv4Address: auto
    gwin.yandex.cloud/rules.allowedMethods: "GET"
spec:
  ingressClassName: gwin-default
  rules:
    - host: example.com
      http:
        paths:
          - pathType: Prefix
            path: "/api"
            backend:
              service:
                name: example-service
                port:
                  number: 80
  tls:
    - hosts:
        - example.com
      secretName: "yc-certmgr-cert-id-<идентификатор_сертификата>"

```

--------------------------------

### Gateway API конфигурация для Application Load Balancer

Source: https://yandex.cloud/docs/application-load-balancer/tools/gwin

Пример конфигурации с использованием ресурсов Gateway API: Gateway, HTTPRoute для редиректа, HTTPRoute для маршрутизации и YCCertificate. Создает балансировщик с динамическим публичным IP, принимает HTTP на порту 80 и HTTPS на порту 443 с сертификатом.

```yaml
apiVersion: gateway.networking.k8s.io/v1
kind: Gateway
metadata:
  name: example-gateway
  namespace: example-ns
spec:
  gatewayClassName: gwin-default
  listeners:
    - name: http
      protocol: HTTP
      port: 80
      hostname: "example.com"
      allowedRoutes:
        namespaces:
          from: Same
    - name: https
      protocol: HTTPS
      port: 443
      hostname: "example.com"
      allowedRoutes:
        namespaces:
          from: Same
      tls:
        certificateRefs:
          - group: gwin.yandex.cloud
            kind: YCCertificate
            name: example-certificate
  addresses:
    - type: gwin.yandex.cloud/autoIPv4
      value: auto
---
apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
  name: example-redirect-httproute
  namespace: example-ns
spec:
  hostnames:
    - "example.com"
  parentRefs:
    - name: example-gateway
      sectionName: http
  rules:
    - filters:
        - type: RequestRedirect
          requestRedirect:
            scheme: https
            statusCode: 301
---
apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
  name: example-httproute
  namespace: example-ns
spec:
  hostnames:
    - "example.com"
  parentRefs:
    - name: example-gateway
      sectionName: https
  rules:
    - matches:
        - path:
            value: /api
            type: PathPrefix
          method: GET
      backendRefs:
        - kind: Service
          name: example-service
          port: 80
---
apiVersion: gwin.yandex.cloud/v1
kind: YCCertificate
metadata:
  name: example-certificate
  namespace: example-ns
spec:
  certificateRef:
    certificateID: "<идентификатор_сертификата>"

```

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