config/initializers/elasticsearch.rb


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require 'elasticsearch/persistence/model'

Elasticsearch::Persistence.client = Elasticsearch::Client.new host: ENV['ELASTICSEARCH_URL'] || 'localhost:9200'
if Rails.env.development? or ENV['RAILS_DEBUG']
  logger           = ActiveSupport::Logger.new(STDERR)
  logger.level     = Logger::DEBUG
  logger.formatter = proc { |s, d, p, m| "\e[2m#{m}\n\e[0m" }
  Elasticsearch::Persistence.client.transport.logger = logger
end