From 9e8c8ec8f2ee0e03c560aacc74472af85776b91d Mon Sep 17 00:00:00 2001
From: "hangyu.tao" <hangyu.tao@d-robotics.cc>
Date: Mon, 5 Jan 2026 19:53:48 +0800
Subject: [PATCH] feat: allow server port to be configured via `PORT`
 environment variable

---
 cmd/server/main.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/cmd/server/main.go b/cmd/server/main.go
index ca99f5d..fcc3a16 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -108,6 +108,11 @@ func main() {
 	// Assemble final handler chain: DefaultServeMux -> AuthMiddleware -> CorsHandler
 	finalHandler := middleware.AuthMiddleware(http.DefaultServeMux)
 
-	log.Println("Server starting on :8081")
-	log.Fatal(http.ListenAndServe(":8081", corsHandler(finalHandler)))
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = "8081"
+	}
+	addr := ":" + port
+	log.Println("Server starting on " + addr)
+	log.Fatal(http.ListenAndServe(addr, corsHandler(finalHandler)))
 }