Rearrange deployment files into kustomizations

deploy/aws/l4/kustomization.yaml

@@ -0,0 +1,11 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+bases:
+- ../../cloud-generic
+patchesStrategicMerge:
+- service-l4.yaml
+configMapGenerator:
+- name: nginx-configuration
+  behavior: merge
+  literals:
+  - use-proxy-protocol=true

deploy/aws/l4/service-l4.yaml

@@ -0,0 +1,13 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: ingress-nginx
+  annotations:
+    # Enable PROXY protocol
+    service.beta.kubernetes.io/aws-load-balancer-proxy-protocol: "*"
+    # Ensure the ELB idle timeout is less than nginx keep-alive timeout. By default,
+    # NGINX keep-alive is set to 75s. If using WebSockets, the value will need to be
+    # increased to '3600' to avoid any potential issues.
+    service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout: "60"
+spec:
+  externalTrafficPolicy: Cluster