[database]
type = postgres
host = 127.0.0.1:5432
name = grafana
user = graphite
password = mypass

[server]
protocol = http
http_addr = 127.0.0.1
http_port = 3000
domain = mygrafana.com
enforce_domain = true
root_url = %(protocol)s://%(domain)s/

[security]
admin_user = admin
admin_password = mypass
secret_key = something

...
...

<VirtualHost *:80>
    ProxyPreserveHost On
    ProxyPass / http://127.0.0.1:3000/
    ProxyPassReverse / http://127.0.0.1:3000/
    ServerName mygraphana.com
</VirtualHost>

sudo a2ensite apache2-grafana

sudo update-rc.d grafana-server defaults 95 10
sudo service grafana-server start

sudo service apache2 restart