diff --git a/src/main.rs b/src/main.rs
index aee2c29..16c224c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,19 +5,28 @@ extern crate lazy_static;
 
 mod client;
 mod note;
+mod size;
 mod store;
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
-    HttpServer::new(|| {
+    return HttpServer::new(|| {
         App::new()
+            // .configure(|cfg: &mut web::ServiceConfig| {
+            //     let limit_string = std::env::var("SIZE_LIMIT").unwrap_or("0.1 KiB".to_string());
+            //     let limit = Byte::from_str(limit_string.clone()).unwrap().get_bytes() as usize;
+            //     println!("SIZE_LIMIT: {}, {}", limit_string, limit);
+            //     let config = web::JsonConfig::default().limit(limit);
+            //     cfg.data(config);
+            // })
             .wrap(middleware::Compress::default())
             .wrap(middleware::DefaultHeaders::default())
+            .configure(size::init)
             .configure(note::init)
             .configure(client::init)
             .default_service(web::resource("").route(web::get().to(client::fallback_fn)))
     })
     .bind("0.0.0.0:5000")?
     .run()
-    .await
+    .await;
 }
diff --git a/src/size.rs b/src/size.rs
new file mode 100644
index 0000000..ff4fbf6
--- /dev/null
+++ b/src/size.rs
@@ -0,0 +1,10 @@
+use actix_web::web;
+use byte_unit::Byte;
+
+pub fn init(cfg: &mut web::ServiceConfig) {
+  let limit_string = std::env::var("SIZE_LIMIT").unwrap_or("1 KiB".to_string());
+  let limit = Byte::from_str(limit_string.clone()).unwrap().get_bytes() as usize;
+  println!("SIZE_LIMIT: {}, {}", limit_string, limit);
+  let config = web::JsonConfig::default().limit(limit);
+  cfg.data(config);
+}