more experiments with connected back end structure

db/Pool.js

@@ -5,6 +5,7 @@ const pool = new Pool({ connectionString: process.env.CONNECTION });
 
 module.exports = {
     // text = SQL query; params = array of values to inject
+    pool,
     connect: async () => await pool.connect().then(console.log("Connection successful.")),
     query: (text, params) => pool.query(text, params),
     end: async () => await pool.end()