first test

db.js

@@ -0,0 +1,39 @@
+// db.js
+// Handles PostgreSQL database connection and queries
+
+const { Pool } = require('pg');
+require('dotenv').config(); // Load environment variables from .env file
+
+// Create a new pool instance using environment variables
+// The pool manages multiple client connections
+const pool = new Pool({
+  user: process.env.DB_USER,
+  host: process.env.DB_HOST,
+  database: process.env.DB_DATABASE,
+  password: process.env.DB_PASSWORD,
+  port: process.env.DB_PORT,
+  // Optional: Add SSL configuration if required by your database provider
+  // ssl: {
+  //   rejectUnauthorized: false // Adjust as needed
+  // }
+});
+
+// Test the database connection on startup
+pool.connect((err, client, release) => {
+  if (err) {
+    console.error('Error acquiring client for initial DB connection test:', err.stack);
+    // Exit the process if the database connection fails on startup
+    process.exit(1);
+  } else {
+    console.log('Successfully connected to PostgreSQL database.');
+    // Release the client back to the pool
+    release();
+  }
+});
+
+// Export a query function to interact with the database
+module.exports = {
+  query: (text, params) => pool.query(text, params),
+  // You can add more specific database functions here if needed
+  // Example: getClient: () => pool.connect()
+};