Use 127 syntax and fix mongodb database name

ansible/templates/alerta.conf

@@ -1,15 +1,16 @@
 [DEFAULT]
-endpoint = http://localhost:8080/api
+endpoint = http://127.0.0.1:8080/api
 key = {{ alerta_cli_api_key }}
 output = psql
 sslverify = no
 timezone = Europe/London
 
 [alerta-mailer]
-amqp_url = mongodb://0.0.0.0:27017/
-dashboard_url = http://localhost:8080
+amqp_url = mongodb://127.0.0.1:27017/kombu
+dashboard_url = http://127.0.0.1:8080
 debug = true
 email_type = text
+endpoint = http://127.0.0.1:8080/api
 key = {{ alerta_mailer_api_key }}
 mail_from = {{ mail_from }}
 mail_to = {{ mail_to }}