traefik v1.7 kubernetes doc fixes

examples/traefik-v1.7/kubernetes/simple-separate-pod/k8s-traefik-forward-auth.yml

@@ -29,6 +29,9 @@ spec:
         env:
         - name: DOMAIN
           value: "example.com"
+        # INSECURE_COOKIE is required unless using https entrypoint
+        - name: INSECURE_COOKIE
+          value: "true"
         - name: PROVIDERS_GOOGLE_CLIENT_ID
           valueFrom:
             secretKeyRef:
@@ -39,11 +42,11 @@ spec:
             secretKeyRef:
               name: secrets
               key: traefik-forward-auth-google-client-secret
-        - name: COOKIE_SECRET
+        - name: SECRET
           valueFrom:
             secretKeyRef:
               name: secrets
-              key: traefik-forward-auth-cookie-secret
+              key: traefik-forward-auth-secret
 
 ---
 #
@@ -84,4 +87,4 @@ type: Opaque
 data:
   traefik-forward-auth-google-client-id: base64-client-id
   traefik-forward-auth-google-client-secret: base64-client-secret
-  traefik-forward-auth-cookie-secret: base64-something-random
+  traefik-forward-auth-secret: base64-something-random