set url to https://omnitruck.chef.io/install.sh

Change-Id: I1eb228adf80e44d97a0a95eb37477ee1c0d76ab9
Signed-off-by: Grinberg Moti <mg877n@att.com>
diff --git a/sdc-os-chef/sdc-backend/Dockerfile b/sdc-os-chef/sdc-backend/Dockerfile
index d68b590..128387a 100644
--- a/sdc-os-chef/sdc-backend/Dockerfile
+++ b/sdc-os-chef/sdc-backend/Dockerfile
@@ -14,10 +14,7 @@
 RUN pip install pycurl
 
 # install chef-solo
-#RUN curl -L http://www.opscode.com/chef/install.sh | bash
-COPY chef-install.sh /root/
-RUN chmod 770 /root/chef-install.sh
-RUN bash /root/chef-install.sh
+RUN curl -L https://omnitruck.chef.io/install.sh | bash
 
 ADD onboarding-be-__SDC-RELEASE__.war          ${JETTY_BASE}/webapps/
 ADD catalog-be-__SDC-RELEASE__.war             ${JETTY_BASE}/webapps/