Update example app to include a loadbalancer.

experimental/example/run.sh

@@ -2,24 +2,27 @@
 
 set -eux
 
-REPLICAS=${REPLICAS:-1}
+eval $(weave env)
 
 start_container() {
-    IMAGE=$1
-    BASENAME=${2:-$1}
+    IMAGE=$2
+    BASENAME=$3
+    REPLICAS=$1
+    shift 3
     HOSTNAME=$BASENAME.weave.local
 
     for i in $(seq $REPLICAS); do
         if docker inspect $BASENAME$i >/dev/null 2>&1; then
             docker rm -f $BASENAME$i
         fi
-        weave run --with-dns --name=$BASENAME$i --hostname=$HOSTNAME $IMAGE
+        docker run -d --name=$BASENAME$i --hostname=$HOSTNAME $@ $IMAGE
     done
 }
 
-start_container elasticsearch
-start_container tomwilkie/searchapp searchapp
-start_container redis
-start_container tomwilkie/qotd qotd
-start_container tomwilkie/app app
-start_container tomwilkie/client client
+start_container 1 elasticsearch elasticsearch
+start_container 2 tomwilkie/searchapp searchapp
+start_container 1 redis redis
+start_container 1 tomwilkie/qotd qotd
+start_container 2 tomwilkie/app app
+start_container 2 tomwilkie/frontend frontend --add-host=dns.weave.local:$(weave docker-bridge-ip)
+start_container 1 tomwilkie/client client