diff --git a/Justfile b/Justfile
index 3d0543c..f1a0830 100644
--- a/Justfile
+++ b/Justfile
@@ -9,7 +9,7 @@ user:
 	fastify start src/api/user/default.js
 
 apis:
-	node dev.js
+	node src/dev.js
 
 front:
 	vite
diff --git a/dev.js b/dev.js
index 7e2ef10..a0ab584 100644
--- a/dev.js
+++ b/dev.js
@@ -1,6 +1,6 @@
 import Fastify from 'fastify';
-import authApi from './src/api/auth/default.js';
-import userApi from './src/api/user/default.js';
+import authApi from './api/auth/default.js';
+import userApi from './api/user/default.js';
 
 const loggerOption = {
 	transport: {
diff --git a/src/api/user/default.js b/src/api/user/default.js
index 8c06324..990da7e 100644
--- a/src/api/user/default.js
+++ b/src/api/user/default.js
@@ -122,10 +122,12 @@ export default async function(fastify, options) {
 	// POST
 	fastify.post('/users/:userId', { preHandler: [fastify.authenticateAdmin] }, async (request, reply) => {
 		try {
+			const userId = request.params.userId;
+
 			if (getUserInfo.get(userId)) {
 				return reply.code(400).send({ error: "User already exist" });
 			}
-			createUser.run(request.params.userId, request.params.userId);
+			createUser.run(userId, userId);
 			return reply.code(200).send({ msg: "User created sucessfully" });
 		} catch (err) {
 			fastify.log.error(err);
diff --git a/src/dev.js b/src/dev.js
new file mode 100644
index 0000000..a0ab584
--- /dev/null
+++ b/src/dev.js
@@ -0,0 +1,32 @@
+import Fastify from 'fastify';
+import authApi from './api/auth/default.js';
+import userApi from './api/user/default.js';
+
+const loggerOption = {
+	transport: {
+		target: 'pino-pretty',
+		options: {
+			colorize: true,
+			translateTime: 'HH:MM:ss',
+			ignore: 'pid,hostname'
+		}
+	}
+};
+
+async function start() {
+	const auth = Fastify({
+		logger: loggerOption
+	});
+	auth.register(authApi);
+	await auth.listen({ port: 3001 });
+	console.log('Auth API listening on http://localhost:3001');
+
+	const user = Fastify({
+		logger: loggerOption
+	});
+	user.register(userApi);
+	await user.listen({ port: 3002 });
+	console.log('User data API listening on http://localhost:3002');
+}
+
+start().catch(console.error);
diff --git a/tailwind.config.js b/tailwind.config.js
new file mode 100644
index 0000000..d2fdab4
--- /dev/null
+++ b/tailwind.config.js
@@ -0,0 +1,7 @@
+export default {
+  content: ['./src/front/**/*.{html,js}'],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+}