Moving logic to library file to begin organization tested and it works

src/lib.rs

@@ -0,0 +1,85 @@
+use anyhow::Context;
+use askama::Template;
+use axum::{
+    http::StatusCode,
+    response::{Html, IntoResponse, Response},
+    routing::get,
+    Router,
+};
+use tower_http::services::ServeDir;
+use tracing::info;
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
+
+pub async fn run() -> anyhow::Result<()> {
+    tracing_subscriber::registry()
+        .with(
+            tracing_subscriber::EnvFilter::try_from_default_env()
+                .unwrap_or_else(|_| "achubb_backend".into()),
+        )
+        .with(tracing_subscriber::fmt::layer())
+        .init();
+    info!("initializing router...");
+    let assets_path = std::env::current_dir().unwrap();
+    let port = 8000_u16;
+    let addr = std::net::SocketAddr::from(([0, 0, 0, 0], port));
+    let api_router = Router::new().route("/hello", get(hello_from_the_server));
+    let router = Router::new()
+        .nest("/api", api_router)
+        .route("/", get(hello))
+        .route("/another-page", get(another_page))
+        .nest_service(
+            "/assets",
+            ServeDir::new(format!("{}/assets", assets_path.to_str().unwrap())),
+        );
+    info!("router initialized, now listening on port {}", port);
+    axum::Server::bind(&addr)
+        .serve(router.into_make_service())
+        .await
+        .context("error while starting server")?;
+    Ok(())
+}
+
+async fn hello() -> impl IntoResponse {
+    let template = HelloTemplate {};
+    HtmlTemplate(template)
+}
+
+#[derive(Template)]
+#[template(path = "hello.html")]
+struct HelloTemplate;
+
+/// A wrapper type that we'll use to encapsulate HTML parsed by askama into valid HTML for axum to serve.
+struct HtmlTemplate<T>(T);
+
+/// Allows us to convert Askama HTML templates into valid HTML for axum to serve in the response.
+impl<T> IntoResponse for HtmlTemplate<T>
+where
+    T: Template,
+{
+    fn into_response(self) -> Response {
+        // Attempt to render the template with askama
+        match self.0.render() {
+            // If we're able to successfully parse and aggregate the template, serve it
+            Ok(html) => Html(html).into_response(),
+            // If we're not, return an error or some bit of fallback HTML
+            Err(err) => (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                format!("Failed to render template. Error: {}", err),
+            )
+                .into_response(),
+        }
+    }
+}
+
+async fn another_page() -> impl IntoResponse {
+    let template = AnotherPageTemplate {};
+    HtmlTemplate(template)
+}
+
+#[derive(Template)]
+#[template(path = "another-page.html")]
+struct AnotherPageTemplate;
+
+async fn hello_from_the_server() -> &'static str {
+    "Hello!"
+}

src/main.rs

@@ -1,86 +1,5 @@
-use anyhow::Context;
-use askama::Template;
-use axum::{
-    http::StatusCode,
-    response::{Html, IntoResponse, Response},
-    routing::get,
-    Router,
-};
-use tower_http::services::ServeDir;
-use tracing::info;
-use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
-
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    tracing_subscriber::registry()
-        .with(
-            tracing_subscriber::EnvFilter::try_from_default_env()
-                .unwrap_or_else(|_| "achubb_backend".into()),
-        )
-        .with(tracing_subscriber::fmt::layer())
-        .init();
-    info!("initializing router...");
-    let assets_path = std::env::current_dir().unwrap();
-    let port = 8000_u16;
-    let addr = std::net::SocketAddr::from(([0, 0, 0, 0], port));
-    let api_router = Router::new().route("/hello", get(hello_from_the_server));
-    let router = Router::new()
-        .nest("/api", api_router)
-        .route("/", get(hello))
-        .route("/another-page", get(another_page))
-        .nest_service(
-            "/assets",
-            ServeDir::new(format!("{}/assets", assets_path.to_str().unwrap())),
-        );
-    info!("router initialized, now listening on port {}", port);
-    axum::Server::bind(&addr)
-        .serve(router.into_make_service())
-        .await
-        .context("error while starting server")?;
+    achubb_backend::run().await?;
     Ok(())
 }
-
-async fn hello() -> impl IntoResponse {
-    let template = HelloTemplate {};
-    HtmlTemplate(template)
-}
-
-#[derive(Template)]
-#[template(path = "hello.html")]
-struct HelloTemplate;
-
-/// A wrapper type that we'll use to encapsulate HTML parsed by askama into valid HTML for axum to serve.
-struct HtmlTemplate<T>(T);
-
-/// Allows us to convert Askama HTML templates into valid HTML for axum to serve in the response.
-impl<T> IntoResponse for HtmlTemplate<T>
-where
-    T: Template,
-{
-    fn into_response(self) -> Response {
-        // Attempt to render the template with askama
-        match self.0.render() {
-            // If we're able to successfully parse and aggregate the template, serve it
-            Ok(html) => Html(html).into_response(),
-            // If we're not, return an error or some bit of fallback HTML
-            Err(err) => (
-                StatusCode::INTERNAL_SERVER_ERROR,
-                format!("Failed to render template. Error: {}", err),
-            )
-                .into_response(),
-        }
-    }
-}
-
-async fn another_page() -> impl IntoResponse {
-    let template = AnotherPageTemplate {};
-    HtmlTemplate(template)
-}
-
-#[derive(Template)]
-#[template(path = "another-page.html")]
-struct AnotherPageTemplate;
-
-async fn hello_from_the_server() -> &'static str {
-    "Hello!"
-}