project-nomad/admin/database/seeders/service_seeder.ts

import Service from '#models/service'
import { BaseSeeder } from '@adonisjs/lucid/seeders'
import { ModelAttributes } from '@adonisjs/lucid/types/model'

export default class ServiceSeeder extends BaseSeeder {
  private static DEFAULT_SERVICES: Omit<ModelAttributes<Service>, 'created_at' | 'updated_at' | 'metadata' | 'id'>[] = [
    {
      service_name: 'kiwix-serve',
      container_image: 'ghcr.io/kiwix/kiwix-serve',
      container_command: '*.zim --address=0.0.0.0',
      container_config: "{\"HostConfig\":{\"Binds\":[\"/opt/project-nomad/storage/zim:/data\"],\"PortBindings\":{\"8080/tcp\":[{\"HostPort\":\"8090\"}]}},\"ExposedPorts\":{\"8080/tcp\":{}}}",
      ui_location: '8090',
      installed: false,
    },
  ]

  async run() {
    const existingServices = await Service.query().select('service_name')
    const existingServiceNames = new Set(existingServices.map(service => service.service_name))

    const newServices = ServiceSeeder.DEFAULT_SERVICES.filter(service => !existingServiceNames.has(service.service_name))

    await Service.createMany([...newServices])
  }
}