Log level with env

Giovanny Gongora

level based in env variables

use std::env;
use env_logger::Builder;

fn main() {
  Builder::new()
  .parse(&env::var("MY_APP_LOG").unwrap_or_default())
  .init();
  log::info!("informational message");
  log::warn!("warning message");
  log::error!("this is an error {}", "message");
}