today_ai_weather/db/seeds/cities/usa.rb

usa = Country.find_by code: 'US'

City.create!([
  {
    name: 'San Francisco',
    latitude: 37.7749,
    longitude: -122.4194,
    country: usa,
    timezone: 'America/Los_Angeles',
    active: true,
    priority: 100
  },
  {
    name: 'Chicago',
    latitude: 41.8781,
    longitude: -87.6298,
    country: usa,
    timezone: 'America/Chicago',
    active: true,
    priority: 100
  },
  {
    name: 'New York City',
    latitude: 40.7128,
    longitude: -74.0060,
    country: usa,
    timezone: 'America/New_York',
    active: true,
    priority: 100
  },
  {
    name: 'Los Angeles',
    latitude: 34.0522,
    longitude: -118.2437,
    country: usa,
    timezone: 'America/Los_Angeles',
    active: true,
    priority: 100
  }
])