Use Ansible 2.4 container instead of 2.3 (#107)

diff --git a/docker-compose/Makefile b/docker-compose/Makefile
index 0bbb38e..c6353a0 100644
--- a/docker-compose/Makefile
+++ b/docker-compose/Makefile
@@ -201,7 +201,7 @@
 	docker run --rm -v ~/tmp/openwhisk/src:/openwhisk -w /openwhisk/ansible \
 		--network="$${compose_network}" -t \
 		--add-host="db:$${db_ip_address}" \
-		ddragosd/ansible:2.3.1.0-debian8  \
+		ddragosd/ansible:2.4.0.0-debian8  \
 		sh -c "ansible-playbook setup.yml && ansible-playbook couchdb.yml --tags=ini && ansible-playbook initdb.yml wipe.yml \
 			-e db_host=db -e openwhisk_home=/openwhisk -e db_prefix=$(OPEN_WHISK_DB_PREFIX)"