Ajout de la base de données MySQL

src/database/index.js

@@ -0,0 +1,11 @@
+const sequelize = require('./config/sequelize');
+const ArticleModel = require('./models/article');
+const UserModel = require('./models/user');
+
+const DB = {
+  sequelize,
+  User: UserModel(sequelize),
+  Article: ArticleModel(sequelize),
+};
+
+module.exports = DB;