max connections

src/database/db.rs

@@ -36,7 +36,7 @@ impl Db {
             user, password, location, port, db_name
         );
 
-        let pool: Pool = Pool::new(Opts::from_url(&url)?)?;
+        let pool: Pool = Pool::new_manual(1, 2, Opts::from_url(&url)?)?;
         let database: Db = Self {
             pool: Arc::new(Mutex::new(pool)),
         };