feat: fixup "setup seaorm and a first "debug" entity as example"

crates/backend/src/lib.rs

@@ -2,10 +2,13 @@ use anyhow::Error as AnyError;
 use axum::http::{StatusCode, Uri};
 use axum::response::{IntoResponse, Response};
 use axum::{routing::get, Router};
+use sea_orm::{DatabaseConnection, DbErr};
 use thiserror::Error;
 
 use ::utils::config::{load_config, ConfigError};
 
+mod db;
+
 #[derive(Error, Debug)]
 pub enum InitError {
     #[error(transparent)]
@@ -17,10 +20,17 @@ pub fn init() -> Result<(), InitError> {
     Ok(())
 }
 
-pub fn get_router() -> Router {
-    Router::new()
+#[derive(Clone)]
+pub struct AppState {
+    db_connection: DatabaseConnection,
+}
+
+pub async fn get_router() -> Result<Router, DbErr> {
+    let db_connection = db::get_connection().await?;
+
+    Ok(Router::new()
         .route("/", get(|| async { "Hello, world!" }))
-        .fallback(fallback)
+        .fallback(fallback))
 }
 
 async fn fallback(uri: Uri) -> (StatusCode, String) {