working proto

src/database.rs

@@ -0,0 +1,26 @@
+static DB: std::sync::OnceLock<sqlx::MySqlPool> = std::sync::OnceLock::new();
+
+async fn create_pool() -> sqlx::MySqlPool {
+    let database_url = std::env::var("DATABASE_URL").expect("no database url specify");
+    dbg!(&database_url);
+    let pool = sqlx::mysql::MySqlPoolOptions::new()
+        .max_connections(4)
+        .connect(database_url.as_str())
+        .await
+        .expect("could not connect to database_url");
+
+    sqlx::migrate!()
+        .run(&pool)
+        .await
+        .expect("migrations failed");
+
+    pool
+}
+
+pub async fn init_db() -> Result<(), sqlx::Pool<sqlx::MySql>> {
+    DB.set(create_pool().await)
+}
+
+pub fn get_db<'a>() -> &'a sqlx::MySqlPool {
+    DB.get().expect("database unitialized")
+}