feat(server): configure tracing

server/Cargo.toml

@@ -14,5 +14,5 @@ tokio = { version = "1.29.1", features = ["full"] }
 tokio-util = { version = "0.7.8", features = ["io"] }
 tower = { version = "0.4.13", features = ["make"] }
 tower-http = { version = "0.4.1", features = ["fs", "trace"] }
-tracing-subscriber = "0.3.17"
+tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
 uuid = { version = "1.4.0", features = ["v4"] }

server/src/main.rs

@@ -9,6 +9,7 @@ use repo::RepoGroupManager;
 use std::path::PathBuf;
 use std::sync::{Arc, RwLock};
 use tower_http::trace::TraceLayer;
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
 #[derive(Clone)]
 pub struct Config {
@@ -31,6 +32,13 @@ impl FromRef<Global> for Arc<RwLock<RepoGroupManager>> {
 
 #[tokio::main]
 async fn main() {
+    tracing_subscriber::registry()
+        .with(tracing_subscriber::EnvFilter::new(
+            std::env::var("RUST_LOG").unwrap_or_else(|_| "tower_http=debug".into()),
+        ))
+        .with(tracing_subscriber::fmt::layer())
+        .init();
+
     let config = Config {
         data_dir: "./data".into(),
         repo_dir: "./data/repos".into(),
@@ -43,8 +51,6 @@ async fn main() {
         repo_manager: Arc::new(RwLock::new(repo_manager)),
     };
 
-    tracing_subscriber::fmt::init();
-
     // build our application with a single route
     let app = Router::new()
         .merge(repo::router(&global))