feat(http_server): add app-version endpoint

lib/http_server/Cargo.toml

@@ -7,6 +7,7 @@ kernel = { path = "../kernel" }
 utils = { path = "../utils" }
 
 # common
+shadow-rs = { workspace = true }
 log = { workspace = true }
 env_logger = { workspace = true }
 
@@ -54,6 +55,7 @@ branch = "master"
 features = ["simple_asn1", "pem"]
 
 [build-dependencies]
+shadow-rs = { workspace = true }
 minijinja-embed = "2.3.1"
 
 [[bin]]

lib/http_server/build.rs

@@ -1,3 +1,6 @@
+use shadow_rs::ShadowBuilder;
+
 fn main() {
+    ShadowBuilder::builder().build().unwrap();
     minijinja_embed::embed_templates!("src/templates");
 }

lib/http_server/src/controllers/api/index.rs

@@ -1,8 +1,11 @@
 use axum::{extract::State, response::IntoResponse, Json};
 use serde_json::json;
+use shadow_rs::shadow;
 
 use crate::AppState;
 
+shadow!(build);
+
 pub async fn get_index(
     State(app_state): State<AppState>,
 ) -> impl IntoResponse {
@@ -12,3 +15,11 @@ pub async fn get_index(
         "base_uri": app_state.config.instance.base_uri
     }))
 }
+
+pub async fn get_app_version() -> impl IntoResponse {
+    Json(json!({
+        "tag": shadow_rs::tag(),
+        "branch": shadow_rs::branch(),
+        "commit_hash": build::COMMIT_HASH
+    }))
+}

lib/http_server/src/router.rs

@@ -51,6 +51,7 @@ pub fn build_router(server_config: &ServerConfig, app_state: AppState) -> Router
     let public_api_routes = Router::new()
         .route("/api", get(api::index::get_index))
         .route("/api/user-assets/{asset_id}", get(api::public_assets::get_user_asset))
+        .route("/.app-version", get(api::index::get_app_version))
         .route("/.well-known/openid-configuration", get(api::openid::well_known::get_well_known_openid_configuration))
         .route("/.well-known/jwks", get(api::openid::keys::get_signing_public_keys));