adjust memory limit & hard-code ingressClass to alb (kubernetes-sigs#1493)

Author: M00nF1sh

config/controller/controller.yaml

@@ -26,12 +26,13 @@ spec:
           image: controller:latest
           args:
             - --cluster-name=your-cluster-name
+            - --ingress-class=alb
           resources:
             limits:
               cpu: 100m
-              memory: 300Mi
+              memory: 2000Mi
             requests:
               cpu: 100m
               memory: 200Mi
       terminationGracePeriodSeconds: 10
-      serviceAccountName: controller
+      serviceAccountName: controller

config/samples/install_v2_0_0_rc3.yaml

@@ -498,6 +498,7 @@ spec:
       containers:
         - args:
             - --cluster-name=your-cluster-name
+            - --ingress-class=alb
           image: amazon/aws-alb-ingress-controller:v2.0.0-rc3
           name: controller
           ports:
@@ -507,7 +508,7 @@ spec:
           resources:
             limits:
               cpu: 100m
-              memory: 300Mi
+              memory: 2000Mi
             requests:
               cpu: 100m
               memory: 200Mi