---
apiVersion: helm.toolkit.fluxcd.io/v2beta1
kind: HelmRelease
metadata:
  name: ingress-nginx
  namespace: default
spec:
  interval: 15m
  chart:
    spec:
      chart: ingress-nginx
      version: 4.4.0
      sourceRef:
        kind: HelmRepository
        name: ingress-nginx
        namespace: flux-system
  install:
    createNamespace: true
    remediation:
      retries: 5
  upgrade:
    remediation:
      retries: 5
  dependsOn:
    - name: cert-manager
      namespace: default
  values:
    controller:
      replicaCount: 1
      service:
        type: LoadBalancer
        loadBalancerIP: "${CLUSTER_LB_NGINX}"
        externalTrafficPolicy: Local
      publishService:
        enabled: true
      ingressClassResource:
        default: true
      config:
        client-body-buffer-size: "100M"
        client-body-timeout: 12
        client-header-timeout: 12
        custom-http-errors: 400,401,403,404,500,502,503,504
        enable-brotli: "true"
        enable-ocsp: "true"
        enable-real-ip: "true"
        hsts-max-age: "31449600"
        keep-alive-requests: 10000
        keep-alive: 120
        proxy-body-size: "100M"
        proxy-buffer-size: "16k"
        service-upstream: "true"
        ssl-protocols: "TLSv1.3 TLSv1.2"
        use-forwarded-headers: "true"
      metrics:
        enabled: true
        serviceMonitor:
          enabled: true
          namespace: default
          namespaceSelector:
            any: true
      extraArgs:
        default-ssl-certificate: |-
          default/${SECRET_CLUSTER_DOMAIN/./-}-tls
      topologySpreadConstraints:
        - maxSkew: 1
          topologyKey: kubernetes.io/hostname
          whenUnsatisfiable: DoNotSchedule
          labelSelector:
            matchLabels:
              app.kubernetes.io/name: ingress-nginx
              app.kubernetes.io/component: controller
      resources:
        requests:
          memory: 400Mi
          cpu: 25m
        limits:
          memory: 1Gi
    defaultBackend:
      enabled: true
      image:
        repository: ghcr.io/tarampampam/error-pages
        tag: 2.19.0
      extraEnvs:
        - name: TEMPLATE_NAME
          value: l7-light
        - name: SHOW_DETAILS
          value: "true"
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchExpressions:
                    - key: app.kubernetes.io/name
                      operator: In
                      values: ["ingress-nginx"]
                    - key: app.kubernetes.io/component
                      operator: In
                      values: ["default-backend"]
                topologyKey: kubernetes.io/hostname