new: Ability to disable frontend

Makefile

@@ -24,7 +24,7 @@ docker-test: docker-local docker-stop
 	docker run -p ${PORT}:${PORT} --name chhoto-url -e password="${PASSWORD}" -e public_mode="${PUBLIC_MODE}" \
 		-e site_url="${SITE_URL}" -e db_url="${DB_URL}" -e redirect_method="${REDIRECT_METHOD}" -e port="${PORT}"\
 		-e slug_style="${SLUG_STYLE}" -e slug_length="${SLUG_LENGTH}" -e cache_control_header="${CACHE_CONTROL_HEADER}"\
-		-e api_key="${API_KEY}"\
+		-e api_key="${API_KEY}" -e disable_frontend="${DISABLE_FRONTEND}"\
 		-d chhoto-url
 	docker logs chhoto-url -f
 

actix/src/main.rs

@@ -40,6 +40,8 @@ async fn main() -> Result<()> {
         .ok()
         .filter(|s| !s.trim().is_empty());
 
+    let disable_frontend = env::var("disable_frontend").is_ok_and(|s| s.trim() == "True");
+
     // If an API key is set, check the security
     if let Ok(key) = env::var("api_key") {
         if !auth::is_key_secure() {
@@ -82,7 +84,7 @@ async fn main() -> Result<()> {
 
     // Actually start the server
     HttpServer::new(move || {
-        App::new()
+        let mut app = App::new()
             .wrap(middleware::Logger::default())
             .wrap(middleware::Compress::default())
             .wrap(
@@ -108,9 +110,13 @@ async fn main() -> Result<()> {
             .service(services::delete_link)
             .service(services::login)
             .service(services::logout)
-            .service(services::expand)
-            .service(Files::new("/", "./resources/").index_file("index.html"))
-            .default_service(actix_web::web::get().to(services::error404))
+            .service(services::expand);
+
+        if !disable_frontend {
+            app = app.service(Files::new("/", "./resources/").index_file("index.html"));
+        }
+
+        app.default_service(actix_web::web::get().to(services::error404))
     })
     // Hardcode the port the server listens to. Allows for more intuitive Docker Compose port management
     .bind(("0.0.0.0", port))?

actix/src/services.rs

@@ -79,9 +79,9 @@ pub async fn add_link(
             // Return http://
             if port == 80 {
                 url = env::var("site_url")
-                        .ok()
-                        .filter(|s| !s.trim().is_empty())
-                        .unwrap_or(String::from("http://localhost"));
+                    .ok()
+                    .filter(|s| !s.trim().is_empty())
+                    .unwrap_or(String::from("http://localhost"));
             }
             // If the port is 443, remove the port from the returned URL (better for copying and pasting)
             // Return https://