artdanj-api/database/migrations/1605956711010_posts.ts

import BaseSchema from '@ioc:Adonis/Lucid/Schema'

export default class Posts extends BaseSchema {
  protected tableName = 'posts'

  public async up () {
    this.schema.createTable(this.tableName, (table) => {
      table.increments('id').primary()
      table.string('slug').notNullable()
      table.integer('likes').notNullable()
      table.timestamps(true, true)
    })
  }

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