Add nginx release to flux

cluster/infra.yaml

@@ -0,0 +1,13 @@
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: infra
+  namespace: flux-system
+spec:
+  interval: 10m0s
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  path: ./infra
+  prune: true
+  wait: true

infra/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - nginx.yaml

infra/nginx.yaml

@@ -0,0 +1,56 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: nginx-ingress-controller
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: nginx
+  namespace: nginx-ingress-controller
+spec:
+  interval: 24h
+  url: https://helm.nginx.com/stable
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: nginx-ingress
+  namespace: nginx-ingress-controller
+spec:
+  interval: 30m
+  chart:
+    spec:
+      chart: nginx-ingress
+      version: 2.0.1
+      sourceRef:
+        kind: HelmRepository
+        name: nginx
+        namespace: nginx-ingress-controller
+      interval: 12h
+  values:
+    controller:
+      resources:
+        requests:
+          cpu: 0
+          memory: 128Mi
+        limits:
+          cpu: 100m
+          memory: 128Mi
+
+      ingressClass:
+        create: true
+        setAsDefaultIngress: true
+
+      service:
+        create: true
+        type: LoadBalancer
+        # Requirement for sharing ip with other service
+        externalTrafficPolicy: Cluster
+        ipFamilyPolicy: RequireDualStack
+        annotations:
+          # Share IP with gitea ssh so we can have the same domain for both port
+          lbipam.cilium.io/sharing-key: gitea
+          lbipam.cilium.io/sharing-cross-namespace: gitea
+          lbipam.cilium.io/ips: 10.44.0.0,2001:470:61a3:400::1