diff --git a/Makefile b/Makefile
index 227979d..0c2ba90 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,15 @@
+BUILD_MODE ?= DEBUG
+
+ifeq ($(BUILD_MODE),DEBUG)
+	LISTEN_PORT = ":9090"
+else ifeq ($(BUILD_MODE),RELEASE)
+	LISTEN_PORT = ":80"
+else
+	$(error Unknown build mode)
+endif
+
 all:
-	go build
+	go build -ldflags="-X main.LISTEN_PORT=\"$(LISTEN_PORT)\""
 
 watcher:
 	cc -o watcher watcher.c
diff --git a/lts.go b/lts.go
index b993f3f..29f041f 100644
--- a/lts.go
+++ b/lts.go
@@ -17,6 +17,8 @@ import (
 	"github.com/fsnotify/fsnotify"
 )
 
+var LISTEN_PORT string
+
 //go:embed tmpls/*
 var tmpls embed.FS
 
@@ -114,6 +116,7 @@ func handleUpload(w http.ResponseWriter, r *http.Request) {
 
 	fmt.Fprintf(w, "Uploaded file: %s\n", handler.Filename)
 	fmt.Fprintf(w, "File size: %s\n", byteCountSI(handler.Size))
+	fmt.Fprintf(w, "Link: ")
 
 	dst, err := createFile(storePath, handler.Filename)
 	if err != nil {
@@ -242,7 +245,7 @@ func main() {
 	http.Handle("/etc/", http.FileServerFS(etc))
 	http.Handle("/store/", http.StripPrefix("/store/", http.FileServer(http.Dir(storePath))))
 
-	http.ListenAndServe(":9090", nil)
+	http.ListenAndServe(LISTEN_PORT, nil)
 
 	doneWatching<-true
 }