Use the log create instead of println

src/main.rs

@@ -17,12 +17,14 @@ use axum_client_ip::SecureClientIp;
 use axum_extra::headers;
 use axum_extra::TypedHeader;
 use clap::Parser;
-use regex::Regex;
-use serde::{Deserialize,Serialize};
-use tower::ServiceBuilder;
-use tower_http::services::ServeDir;
+use env_logger::Env;
 use hickory_resolver::Name;
 use hickory_resolver::TokioAsyncResolver;
+use log::{info,warn,error};
+use regex::Regex;
+use serde::{Deserialize,Serialize};
+use tower_http::services::ServeDir;
+use tower::ServiceBuilder;
 
 use tokio::signal::unix::{
 	signal,
@@ -143,6 +145,10 @@ fn match_domain_hidden_list(domain: &String, hidden_list: &Vec<String>) -> bool
 
 #[tokio::main]
 async fn main() {
+
+	// Initalize logger:
+	env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
+
 	// Parse Command line arguments
 	let cli_args = CliArgs::parse();
 
@@ -152,9 +158,9 @@ async fn main() {
 			match read_toml_from_file::<config::EchoIpServiceConfig>(&config_path) {
 				Ok(c) => c,
 				Err(e) => {
-					println!("Could not read confuration file!");
-					println!("{e}");
-					println!("Exiting ...");
+					error!("Could not read confuration file!");
+					error!("{e}");
+					error!("Exiting ...");
 					::std::process::exit(1);
 				}
 			}
@@ -174,7 +180,7 @@ async fn main() {
 	let templating_engine = match template_loader.load_templates() {
 		Ok(t) => t.into(),
 		Err(e) => {
-			println!("{e}");
+			error!("{e}");
 			::std::process::exit(1);
 		}
 	};
@@ -183,7 +189,7 @@ async fn main() {
 
 	let static_file_directory = template_loader.base_dir()+"/static";
 
-	println!("Static files will be served from: {static_file_directory}");
+	info!("Static files will be served from: {static_file_directory}");
 
 	// Initalize GeoIP Database
 
@@ -202,19 +208,19 @@ async fn main() {
 	location_db.reload_database().ok();
 	
 	// Initalize DNS resolver with os defaults
-	println!("Initalizing dns resolvers ...");
+	info!("Initalizing dns resolvers ...");
 
 	let mut dns_resolver_selectables = Vec::<Selectable>::new();
 	let mut dns_resolver_map: HashMap<Arc<str>,TokioAsyncResolver> = HashMap::new();
 	let mut dns_resolver_aliases: HashMap<Arc<str>,Arc<str>> = HashMap::new();
 
 	if config.dns.enable_system_resolver {
-		println!("Initalizing System resolver ...");
+		info!("Initalizing System resolver ...");
 		let res = TokioAsyncResolver::tokio_from_system_conf();
 		let resolver = match res {
 			Ok(resolver) => resolver,
 			Err(e) => {
-				println!("Error while setting up dns resolver: {e}");
+				info!("Error while setting up dns resolver: {e}");
 				::std::process::exit(1);
 			}
 		};
@@ -228,7 +234,7 @@ async fn main() {
 	}
 
 	for (key, resolver_config) in &config.dns.resolver {
-		println!("Initalizing {} resolver ...", key);
+		info!("Initalizing {} resolver ...", key);
 		let resolver = TokioAsyncResolver::tokio(
 			resolver_config.to_hickory_resolver_config(),
 			Default::default()
@@ -270,18 +276,18 @@ async fn main() {
 	let signal_usr1_handlers_state = shared_state.clone();
 
 	task::spawn(async move {
-		println!("Trying to register USR1 signal for reloading geoip databases");
+		info!("Trying to register USR1 signal for reloading geoip databases");
 		let mut signal_stream = match signal(SignalKind::user_defined1()) {
 			Ok(signal_stream) => signal_stream,
 			Err(e) => {
-				println!("Error while registring signal handler: {e}");
-				println!("Continuing without ...");
+				error!("Error while registring signal handler: {e}");
+				warn!("Continuing without geoip reaload signal ...");
 				return;
 			}
 		};
 		loop {
 			if None == signal_stream.recv().await { return; }
-			println!("Received signal USR1, reloading geoip databses!");
+			info!("Received signal USR1, reloading geoip databses!");
 			signal_usr1_handlers_state.location_db.reload_database().ok();
 			signal_usr1_handlers_state.asn_db.reload_database().ok();
 		}
@@ -313,7 +319,7 @@ async fn main() {
     	)
     	;
 
-	println!("Starting Server on {} ...",listen_on);
+	info!("Starting Server on {} ...",listen_on);
 
 	let listener = tokio::net::TcpListener::bind(&listen_on).await.unwrap();
     axum::serve(listener, app.into_make_service_with_connect_info::<std::net::SocketAddr>())