From 6e1fb637247c6b79b5f77616766b3b15b4f33557 Mon Sep 17 00:00:00 2001
From: Louis-Marie Michelin <lmichelin@outlook.fr>
Date: Tue, 8 Jun 2021 21:07:01 +0200
Subject: [PATCH] docs: add comments
---
backend/server.js | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/backend/server.js b/backend/server.js
index 192d054..418f0c2 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -20,10 +20,13 @@ app.use(cors());
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
+// Register routes
app.use("/", indexRouter);
app.use("/users", usersRouter);
-app.use(routeNotFoundJsonHandler);
-app.use(jsonErrorHandler);
+
+// Register 404 middleware and error handler
+app.use(routeNotFoundJsonHandler); // this middleware must be registered after all routes to handle 404 correctly
+app.use(jsonErrorHandler); // this error handler must be registered after all middlewares to catch all errors
const port = parseInt(process.env.PORT || "3000");
--
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