use Mix.Config config :logdna, :config, app: System.get_env("LOGDNA_APP") || "app", ingestion_key: System.get_env("LOGDNA_KEY"), hostname: System.get_env("LOGDNA_HOSTNAME") || "localhost" config :logger, :logdna, level: :info, format: "$time $metadata[$level] $message\n" config :logger, backends: [Logdna.Backend, :console]