Add option to configure domain and root_url in grafana config

grafana/files/grafana.ini

@@ -29,14 +29,14 @@ http_addr = {{ server.bind.address }}
 http_port = {{ server.bind.port }}
 
 # The public facing domain name used to access grafana from a browser
-;domain = localhost
+domain = {{ server.server.domain }}
 
 # Redirect to correct domain if host header does not match domain
 # Prevents DNS rebinding attacks
 ;enforce_domain = false
 
 # The full public facing url
-;root_url = %(protocol)s://%(domain)s:%(http_port)s/
+root_url = {{ server.server.root_url }}
 
 # Log web requests
 ;router_logging = false

grafana/map.jinja

@@ -11,6 +11,9 @@ Debian:
     data: /var/lib/grafana
     logs: /var/log/grafana
     pid_file_dir: /var/run/grafana
+  server:
+    domain: localhost
+    root_url: "%(protocol)s://%(domain)s:%(http_port)s/"
   bind:
     address: 0.0.0.0
     port: 3000