Add header upgrade-insecure-requests

@@ -19,6 +19,11 @@
           - template_file: http/default.conf.j2
             deployment_location: /etc/nginx/conf.d/default.conf
             config:
+              headers:  # Configure headers
+                add_headers:  # Can be a dictionary or a list of dictionaries
+                  - name: Content-Security-Policy # Required
+                    value: 'upgrade-insecure-requests'  # Required
+                    always: true  # Boolean 
               upstreams:
                 - name: jbosseap_test
                   least_conn: true