From e23b00c080c9c9b93cd599d87e8fae2c2c3dfd83 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Mierzwa?= <l.mierzwa@gmail.com>
Date: Sun, 3 Dec 2017 10:26:41 -0800
Subject: [PATCH] Fix listen address and port passing

Only HOST & PORT env variables used by gin internally were really used, pass resulting config to gin so we match documentation, and log it on startup
---
 docs/example.yaml         | 2 +-
 internal/config/config.go | 2 +-
 main.go                   | 5 ++++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/docs/example.yaml b/docs/example.yaml
index 964e29ad5..01b19dc45 100644
--- a/docs/example.yaml
+++ b/docs/example.yaml
@@ -25,7 +25,7 @@ labels:
   keep: []
   strip: []
 listen:
-  address: "*"
+  address: "0.0.0.0"
   port: 8080
   prefix: /
 log:
diff --git a/internal/config/config.go b/internal/config/config.go
index c96dd1f26..4272983b4 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -62,7 +62,7 @@ func init() {
 	pflag.StringSlice("receivers.strip", []string{},
 		"List of receivers to not display alerts for")
 
-	pflag.String("listen.address", "*", "IP/Hostname to listen on")
+	pflag.String("listen.address", "", "IP/Hostname to listen on")
 	pflag.Int("listen.port", 8080, "HTTP port to listen on")
 	pflag.String("listen.prefix", "/", "URL prefix")
 
diff --git a/main.go b/main.go
index 5981d52b7..20e31e5eb 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"html/template"
 	"path"
 	"strings"
@@ -150,7 +151,9 @@ func main() {
 	}
 
 	setupRouter(router)
-	err := router.Run()
+	listen := fmt.Sprintf("%s:%d", config.Config.Listen.Address, config.Config.Listen.Port)
+	log.Infof("Listening on %s", listen)
+	err := router.Run(listen)
 	if err != nil {
 		log.Fatal(err)
 	}