From 12ed615f538295dadbbce213d4efbdf7fe15b6eb Mon Sep 17 00:00:00 2001
From: giongto35 <giongto35@users.noreply.github.com>
Date: Mon, 3 Jun 2019 02:41:35 +0800
Subject: [PATCH] Start worker port from 9000 (#47)

---
 cmd/main.go | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/cmd/main.go b/cmd/main.go
index 31340b9b..9de1d2aa 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -54,9 +54,19 @@ func initializeWorker() {
 	}()
 
 	go worker.Run()
-	port := rand.Int()%100 + 8000
-	log.Println("Listening at port: localhost:", port)
-	http.ListenAndServe(":"+strconv.Itoa(port), nil)
+	port := 9000
+	// It's recommend to run one worker on one instance. This logic is to make sure more than 1 workers still work
+	for {
+		log.Println("Listening at port: localhost:", port)
+		err := http.ListenAndServe(":"+strconv.Itoa(port), nil)
+		if err != nil {
+			port++
+		}
+		if port == 9100 {
+			// Cannot find port
+			return
+		}
+	}
 }
 
 func monitor() {