01_service_categories.rb

# db/seeds/01_service_categories.rb
puts "===================================================="
puts "Service Categories"
puts "===================================================="
jobs      = ServiceCategory.where(name: "Jobs", code: "J").first_or_create
education = ServiceCategory.where(name: "Education", code: "E").first_or_create
business  = ServiceCategory.where(name: "Business", code: "B").first_or_create
social    = ServiceCategory.where(name: "Social", code: "S").first_or_create

# .............
# .............
# .............

seeds.rb

# Load individual seed files from seeds directory
Dir[File.join(Rails.root, 'db', 'seeds', '*.rb')].sort.each { |seed| load seed }