Add kubernetes Ingress backend

Signed-off-by: Emile Vauge <emile@vauge.com>

examples/k8s.rc.yaml

@@ -0,0 +1,36 @@
+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: traefik-ingress-controller
+  labels:
+    k8s-app: traefik-ingress-lb
+spec:
+  replicas: 1
+  selector:
+    k8s-app: traefik-ingress-lb
+  template:
+    metadata:
+      labels:
+        k8s-app: traefik-ingress-lb
+        name: traefik-ingress-lb
+    spec:
+      terminationGracePeriodSeconds: 60
+      containers:
+      - image: containous/traefik:k8s
+        name: traefik-ingress-lb
+        imagePullPolicy: Always
+        # livenessProbe:
+        #   httpGet:
+        #     path: /healthz
+        #     port: 10249
+        #     scheme: HTTP
+        #   initialDelaySeconds: 30
+        #   timeoutSeconds: 5
+        ports:
+        - containerPort: 80
+          hostPort: 80
+        - containerPort: 443
+          hostPort: 443
+        args:
+        - --kubernetes
+        - --logLevel=DEBUG