update,

jamespong14205/task1/project/003_src/client/utils/is_development_plant.js

@@ -0,0 +1 @@
+export default process.env.NODE_ENV === 'development';

jamespong14205/task1/project/003_src/client/utils/seed.js

@@ -0,0 +1,38 @@
+const { Sequelize } = require('sequelize');
+
+const sequelize = new Sequelize('app_db', 'db_user', 'db_user_pass', {
+  host: 'mysql',
+  port: 3306,
+  dialect: 'mysql',
+});
+
+const User = sequelize.define(
+  'User',
+  {
+    firstName: { type: Sequelize.STRING, allowNull: false },
+    lastName: { type: Sequelize.STRING, allowNull: false },
+    email: { type: Sequelize.STRING, allowNull: false },
+    role: { type: Sequelize.STRING, allowNull: false },
+  },
+  { timestamps: false },
+);
+
+(async () => {
+  try {
+    await sequelize.authenticate();
+    console.log('Connection has been established successfully.');
+
+    // create table
+    await sequelize.sync();
+
+    const user = await User.create({ firstName: 'John', lastName: 'Doe' });
+    console.log('Created user: ', user);
+
+    const users = await User.findAll();
+    console.log('Found all users: ', users);
+
+    await sequelize.close();
+  } catch (error) {
+    console.error('Unable to connect to the database:', error);
+  }
+})();

jamespong14205/task1/project/003_src/client/utils/sequelize_config.js

@@ -0,0 +1,9 @@
+const { Sequelize } = require('sequelize');
+
+const sequelize_config = new Sequelize('app_db', 'db_user', 'db_user_pass', {
+  host: 'mysql',
+  port: 3306,
+  dialect: 'mysql',
+});
+
+module.exports = sequelize_config;