fixed_port.patch

diff --git a/phira-mp-server/src/main.rs b/phira-mp-server/src/main.rs
index 7a76a21..8760f37 100644
--- a/phira-mp-server/src/main.rs
+++ b/phira-mp-server/src/main.rs
@@ -26,6 +26,8 @@ use uuid::Uuid;
 pub type SafeMap<K, V> = RwLock<HashMap<K, V>>;
 pub type IdMap<V> = SafeMap<Uuid, V>;
 
+use std::env;
+
 fn vacant_entry<V>(map: &mut HashMap<Uuid, V>) -> VacantEntry<'_, Uuid, V> {
     let mut id = Uuid::new_v4();
     while map.contains_key(&id) {
@@ -83,7 +85,11 @@ pub fn init_log(file: &str) -> Result<WorkerGuard> {
 async fn main() -> Result<()> {
     let _guard = init_log("phira-mp")?;
 
-    let port = 12346;
+    let port = match env::var("PORT") {
+        Ok(val) => val.parse::<u16>().unwrap_or(12346),
+        Err(_) => 12346,
+    };
+
     let addrs: &[SocketAddr] = &[
         SocketAddr::new(Ipv4Addr::UNSPECIFIED.into(), port),
         SocketAddr::new(Ipv6Addr::UNSPECIFIED.into(), port),