1use log::warn; 2 3pub fn get_env_var_or_default(key: &str, default: &str) -> String { 4 match std::env::var(key) { 5 Ok(val) => val, 6 Err(_) => { 7 warn!("{} not set, using default value: {}", key, default); 8 default.to_string() 9 } 10 } 11}