Mettre des graphes
curl "http://admin:admin@localhost:3000/render/dashboard-solo/db/big-dashboard?orgId=1&panelId=4&from=1495998275442&to=1498590275443&width=1000&height=500" > test.png
curl "http://admin:admin@localhost:3000/render/dashboard-solo/db/big-dashboard?orgId=1&panelId=4&from=1495998275442&to=1498590275443&width=1000&height=500" > test.png