Fix Heat ports in HAProxy/Nginx

The CloudFormation API is on port 8003 while the CloudWatch API is on
port 8000.

Change-Id: I6db40580ffb6a215fda16ef9b630f9533c701e26
diff --git a/nginx/server/proxy/openstack_api.yml b/nginx/server/proxy/openstack_api.yml
index fc4f54c..2b84993 100644
--- a/nginx/server/proxy/openstack_api.yml
+++ b/nginx/server/proxy/openstack_api.yml
@@ -91,11 +91,11 @@
           name: openstack_api_heat_cfn
           proxy:
             host: ${_param:heat_service_host}
-            port: 8000
+            port: 8003
             protocol: http
           host:
             name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8000
+            port: 8003
           ssl: ${_param:nginx_proxy_ssl}
         nginx_proxy_openstack_api_heat_cfn:
           enabled: true
@@ -103,11 +103,11 @@
           name: openstack_api_heat_cloudwatch
           proxy:
             host: ${_param:heat_service_host}
-            port: 8003
+            port: 8000
             protocol: http
           host:
             name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8003
+            port: 8000
           ssl: ${_param:nginx_proxy_ssl}
         nginx_proxy_openstack_api_heat:
           enabled: true