tethys.backend/database/migrations/acl_1_roles.ts

import BaseSchema from '@ioc:Adonis/Lucid/Schema';
import Config from '@ioc:Adonis/Core/Config';

export default class Roles extends BaseSchema {
    protected tableName = Config.get('rolePermission.role_table', 'roles');

    public async up() {
        this.schema.createTable(this.tableName, (table) => {
            table.increments('id');
            table.string('name', 191).unique();
            table.string('slug', 191).nullable().unique();
            table.string('description', 191).nullable();

            /**
             * Uses timestamptz for PostgreSQL and DATETIME2 for MSSQL
             */
            table.timestamp('created_at', { useTz: true }).nullable();
            table.timestamp('updated_at', { useTz: true }).nullable();
        });
    }

    public async down() {
        this.schema.dropTable(this.tableName);
    }
}