in lib/aws_lambda_ric.rb [210:220]
def bootstrap_handler
if ENV['_HANDLER'] == nil
puts 'No handler specified, exiting Runtime Interface Client.'
exit
end
app_root = Dir.pwd
handler = ENV['_HANDLER']
lambda_runner = AwsLambdaRIC::LambdaRunner.new(fetch_runtime_server, AwsLambdaRIC::get_user_agent)
lambda_runner.run(app_root, handler)
end