handlers: typo

Author: dumindu

content/en/labs/a1.building-a-containerized-restful-api.md

@@ -101,7 +101,7 @@ rest_api_workspace
 │   │   │   │   ├── mod.rs
 │   │   │   │   ├── book
 │   │   │   │   │   ├── mod.rs
-│   │   │   │   │   ├── handler.rs
+│   │   │   │   │   ├── handlers.rs
 │   │   │   │   │   └── payload.rs
 │   │   │   │   └── shared
 │   │   │   │       ├── mod.rs

content/en/labs/a5.routes-and-error-responses.md

@@ -190,7 +190,7 @@ pub struct AppState {
 
 ### Add Initial Handlers
 
-Add a new file `book_service/src/app/book/handler.rs`.
+Add a new file `book_service/src/app/book/handlers.rs`.
 
 ```rust
 use axum::{
@@ -307,7 +307,7 @@ pub async fn delete(
 Update `book_service/src/app/book/mod.rs`.
 
 ```rust
-mod handler;
+mod handlers;
 mod payload;
 
 use axum::{Router, routing::get};
@@ -316,8 +316,8 @@ use crate::state::AppState;
 
 pub fn router() -> Router<AppState> {
     Router::new()
-        .route("/", get(handler::list).post(handler::create))
-        .route("/{id}", get(handler::read).put(handler::update).delete(handler::delete))
+        .route("/", get(handlers::list).post(handlers::create))
+        .route("/{id}", get(handlers::read).put(handlers::update).delete(handlers::delete))
 }
 ```
 
@@ -390,9 +390,9 @@ pub use pagination::Pagination;
 
 Add `pub mod shared;` to `book_service/src/app/mod.rs`.
 
-### Attach it to Handler
+### Attach it to Handlers
 
-Update `book_service/src/app/book/handler.rs`.
+Update `book_service/src/app/book/handlers.rs`.
 
 ```rust
 use axum::{

content/en/labs/a6.form-validation.md

@@ -136,7 +136,7 @@ pub use validation::{ValidatedJson, ValidationErrorResponse};
 
 ### Use New Extractor on Handlers
 
-Update `book_service/src/app/book/handler.rs`.
+Update `book_service/src/app/book/handlers.rs`.
 
 ```rust
 // ...

content/en/labs/a7.openapi-specification.md

@@ -188,7 +188,7 @@ pub struct Pagination {
 
 ### Update Handlers
 
-Update `book_service/src/app/book/handler.rs`.
+Update `book_service/src/app/book/handlers.rs`.
 
 ```rust
 // ...
@@ -291,7 +291,7 @@ use utoipa::OpenApi;
 
 #[derive(OpenApi)]
 #[openapi(
-    paths(handler::list, handler::create, handler::read, handler::update, handler::delete),
+    paths(handlers::list, handlers::create, handlers::read, handlers::update, handlers::delete),
     components(schemas(payload::BookRequest))
 )]
 pub struct BookApi;