more on slugify

server/migrations/20210413152837-slugify.js

@@ -0,0 +1,18 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.changeColumn('events', 'slug', {
+      type: Sequelize.STRING,
+      index: true,
+      unique: true
+    })
+  },
+
+  down: async (queryInterface, Sequelize) => {
+    /**
+     * Add reverting commands here.
+     *
+     * Example:
+     * await queryInterface.dropTable('users');
+     */
+  }
+};