Use IntGauge for media counts

src/main.rs

@@ -7,7 +7,7 @@ use actix_web_prom::PrometheusMetrics;
 use database::{DbError, DbErrorKind, FavoriteDao, SqliteFavoriteDao, SqliteUserDao, UserDao};
 use futures::stream::StreamExt;
 use lazy_static::lazy_static;
-use prometheus::{self, Gauge};
+use prometheus::{self, IntGauge};
 use std::path::{Path, PathBuf};
 use std::sync::mpsc::channel;
 use std::sync::Arc;
@@ -43,12 +43,12 @@ mod files;
 mod video;
 
 lazy_static! {
-    static ref IMAGE_GAUGE: Gauge = Gauge::new(
+    static ref IMAGE_GAUGE: IntGauge = IntGauge::new(
         "imageserver_image_total",
         "Count of the images on the server"
     )
     .unwrap();
-    static ref VIDEO_GAUGE: Gauge = Gauge::new(
+    static ref VIDEO_GAUGE: IntGauge = IntGauge::new(
         "imageserver_video_total",
         "Count of the videos on the server"
     )