update protobuf example

database_interactions/diesel/src/main.rs

@@ -72,7 +72,7 @@ async fn main() -> std::io::Result<()> {
         .build(manager)
         .expect("Failed to create pool.");
 
-    let bind = "127.0.0.1:8080";
+    let bind = ("127.0.0.1", 8080);
 
     println!("Starting server at: {}", &bind);
 

database_interactions/mongodb/src/main.rs

@@ -71,7 +71,7 @@ async fn main() -> std::io::Result<()> {
             .service(add_user)
             .service(get_user)
     })
-    .bind("127.0.0.1:8080")?
+    .bind(("127.0.0.1", 8080))?
     .run()
     .await
 }