diff --git a/Dockerfile b/Dockerfile
index c667e11..d62c22b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,11 +26,10 @@ RUN cargo build --release
 # Run the server application
 FROM alpine:latest
 
-ARG PORT=5800
-EXPOSE ${PORT}
 WORKDIR /app
 
 COPY --from=builder-demo /build/demo/target/release/demo ./demo
 COPY --from=builder-server /build/server/target/release/dynamic-preauth ./dynamic-preauth
 
+EXPOSE 5800
 CMD ["/app/dynamic-preauth"]
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 16d00ad..c27ec76 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,8 +7,8 @@ async fn hello() -> &'static str {
 
 #[tokio::main]
 async fn main() {
-    let port = std::env::var("PORT").unwrap_or_else(|_| "5800".to_string());
-    let addr = format!("127.0.0.1:{}", port);
+    // let port = std::env::var("PORT").unwrap_or_else(|_| "5800".to_string());
+    let addr = format!("0.0.0.0:{}", "5800");
     tracing_subscriber::fmt().init();
 
     let router = Router::new().get(hello);