set rails log level

production.rb

  config.logger = Logger.new(STDOUT)
  config.log_level = :info
  config.logger.level = 1 # { 0: :debug, 1: :info, 2: :warn, 3: :error, 4: :fatal }

  config.lograge.enabled = true
  config.lograge.custom_options = lambda do |event|
    params = event.payload[:params].reject do |k|
      ['controller', 'action'].include? k
    end

    { "params" => params }
  end

uses gem 'lograge'