added version check route

src/main.rs

@@ -1,14 +1,16 @@
 use axum::{
     Extension,
+    Json,
     Router,
     http::{
-        Method,
+        Method, StatusCode,
         header::{self, CONTENT_TYPE},
     },
-    // middleware,
+    routing::get, // middleware,
 };
 use axum::{body::Body, extract::Request, middleware::Next, response::Response};
 use clap::Parser;
+use serde_json::json;
 use std::{net::SocketAddr, path::PathBuf, sync::Arc, time::Duration};
 use tower_governor::{GovernorLayer, governor::GovernorConfigBuilder};
 use tower_http::{
@@ -69,7 +71,7 @@ async fn main() -> anyhow::Result<()> {
         .allow_headers([header::AUTHORIZATION, header::CONTENT_TYPE]);
 
     let governor_conf = GovernorConfigBuilder::default()
-        .burst_size(15)
+        .burst_size(20)
         .per_millisecond(250)
         .finish()
         .unwrap();
@@ -95,6 +97,7 @@ async fn main() -> anyhow::Result<()> {
     });
 
     let mut app = Router::new()
+        .route("/version", get(get_version))
         .merge(routes::users::routes())
         .merge(routes::rooms::routes())
         .merge(routes::messages::routes())
@@ -164,3 +167,9 @@ async fn _log_json_body(req: Request, next: Next) -> Response {
 
     next.run(req).await
 }
+
+// Public route to get current version
+async fn get_version() -> Result<Json<serde_json::Value>, (StatusCode, String)> {
+    const VERSION: &str = env!("CARGO_PKG_VERSION");
+    Ok(Json(json!({ "version": VERSION })))
+}