_: { services.grafana = { enable = true; settings = { server = { http_addr = "127.0.0.1"; http_port = 3000; }; security = { admin_user = "admin"; admin_password = "changeme"; }; }; provision = { datasources.settings.datasources = [ { name = "Loki"; type = "loki"; access = "proxy"; url = "http://localhost:3100"; isDefault = true; } ]; }; }; }