Connect to DB using sequelize.

backend/config/database/database.config.js

@@ -3,17 +3,35 @@ This class is responsible for creating the connection
 to the database (pool) and for executing the .sql file
 whenever the server starts.
 */
-
+const { Sequelize } = require("sequelize");
 const mysql = require("mysql2");
 const fs = require("fs");
 const path = require("path");
 require("dotenv").config();
 
+// Initialize Sequelize instance for ORM functionality
+const sequelize = new Sequelize(
+  process.env.DB_NAME,
+  process.env.DB_USER,
+  process.env.DB_PASSWORD,
+  {
+    host: process.env.DB_HOST,
+    dialect: "mysql",
+    pool: {
+      max: 10,
+      min: 0,
+      acquire: 30000,
+      idle: 10000,
+    },
+  }
+);
+
+// Initialize the pool instance to read the SQL startup file
 const pool = mysql.createPool({
   host: process.env.DB_HOST,
-  user: process.env.DB_USER || "corps_directory_dev",
-  database: process.env.DB_NAME || "corps_directory_db",
-  password: process.env.DB_PASSWORD || "corps_db_password",
+  user: process.env.DB_USER,
+  database: process.env.DB_NAME,
+  password: process.env.DB_PASSWORD,
   waitForConnections: true,
   connectionLimit: 10,
   queueLimit: 0,
@@ -45,4 +63,4 @@ const executeSQLFile = (filePath) => {
 const schemaFilePath = path.join(__dirname, "./schema.sql");
 executeSQLFile(schemaFilePath);
 
-module.exports = pool;
+module.exports = { sequelize, pool };

backend/package.json

@@ -13,6 +13,7 @@
     "dotenv": "^16.4.5",
     "express": "^4.21.0",
     "mysql2": "^3.11.3",
-    "nodemon": "^3.1.7"
+    "nodemon": "^3.1.7",
+    "sequelize": "^6.37.4"
   }
 }