服务端搭建-数据库、api集成 (database: conversition)

db/index.js

@@ -0,0 +1,17 @@
+const mysql = require('mysql2/promise');
+const dotenv = require('dotenv');
+
+dotenv.config();
+
+const pool = mysql.createPool({
+  host: process.env.DB_HOST,
+  port: process.env.DB_PORT,
+  user: process.env.DB_USER,
+  password: process.env.DB_PASSWORD,
+  database: process.env.DB_NAME,
+
+  waitForConnections: true,
+  connectionString: 10
+})
+
+module.exports = pool;