Added API endpoints and dockerfile

back/api/connect.js

@@ -0,0 +1,24 @@
+const express = require('express');
+const sha256 = require("sha256");
+const jwt = require('jsonwebtoken');
+const { getConnection, getUserByUsername } = require('../libs/mysql');
+
+const router = express.Router();
+
+router.post('/', async (req, res) => {
+    const { username, password } = req.body;
+    const connection = await getConnection();
+    const users = await getUserByUsername(connection, username);
+    connection.end();
+    if (users[0]) {
+        if (users[0].password === sha256(password)) {
+            const token = jwt.sign({ id: users[0].id }, process.env.JWT_SECRET, {
+                expiresIn: 1000 * 60 * 60 * 24 * 7,
+            });
+            res.send({ token: token });
+        }
+    }
+    res.status(401).send({ error: 'Invalid username or password' });
+});
+
+module.exports = router;