pokemon.trade/lib/tasks/db/wait_for_init.rake

# frozen_string_literal: true

require 'English'

namespace :db do
  desc 'Waits for database to be available'
  task :wait_for_init do
    require 'socket'

    20.times do
      sock = TCPSocket.new ENV['POSTGRES_HOST'], ENV['POSTGRES_PORT'].to_i
      sock.close
      break
    rescue StandardError
      $stderr.puts "db:wait_for_init: #{$ERROR_INFO}"
      sleep 6
    end
  end
end