fixed a bug & replicated all changes to docker version

docker/src/views/views.routes.ts

@@ -77,6 +77,16 @@ async function viewsRoutes(fastify: FastifyInstance) {
         const stream = fs.createReadStream(path.join(__dirname, '..', '..', 'views', 'books', 'read.html'));
         reply.type('text/html').send(stream);
     });
+
+    fastify.setNotFoundHandler((req, reply) => {
+        const stream = fs.createReadStream(path.join(__dirname, '..', '..', 'views', '404.html'));
+
+
+        reply
+            .code(404)
+            .type('text/html')
+            .send(stream)
+    })
 }
 
 export default viewsRoutes;