build docker image locally for travis
diff --git a/tools/travis/build.sh b/tools/travis/build.sh
index 7bae65d..b618c9f 100755
--- a/tools/travis/build.sh
+++ b/tools/travis/build.sh
@@ -17,7 +17,14 @@
 $ANSIBLE_CMD prereq.yml
 $ANSIBLE_CMD couchdb.yml
 $ANSIBLE_CMD initdb.yml
-$ANSIBLE_CMD apigateway.yml
+
+#build docker docker image 
+pushd $ROOTDIR
+pwd
+docker build . -t "openwhisk/apigateway" 
+popd
+
+$ANSIBLE_CMD apigateway.yml -e apigateway_local_build=true
 
 cd $WHISKDIR