uses gin to auto restart application in development

Author: maxcnunes

.gitignore

@@ -0,0 +1 @@
+gin-bin

Dockerfile

@@ -4,4 +4,6 @@ WORKDIR /go/src/github.com/maxcnunes/monitor-api
 
 ADD . /go/src/github.com/maxcnunes/monitor-api
 
-RUN go get -d ./...
+RUN go get -d ./...
+
+RUN go get github.com/codegangsta/gin

fig.yml

@@ -3,7 +3,7 @@ mongo:
 
 local:
   build: .
-  command: go run main.go
+  command: gin
   ports:
     - 3000
   volumes:
@@ -13,5 +13,6 @@ local:
     MONGODB_DATABASE: monitor-api
     VIRTUAL_PORT: 3000
     VIRTUAL_HOST: monitor-service.local.bravi.com.br
+    PORT_BEHIND_PROXY: 3001
   links:
     - mongo:mongo

main.go

@@ -1,23 +1,29 @@
 package main
 
 import (
-	"flag"
 	"github.com/maxcnunes/monitor-api/monitor"
 	"github.com/maxcnunes/monitor-api/server"
 	"log"
 	"net/http"
+	"os"
 )
 
 var (
 	db        = monitor.DB{}
 	data      = monitor.DataMonitor{}
 	router    = server.Router{}
 	websocket = server.Websocket{}
-	addr      = flag.String("addr", ":3000", "http service address")
 )
 
 func main() {
-	flag.Parse()
+	var addr string
+	if env := os.Getenv("PORT_BEHIND_PROXY"); env != "" {
+		addr = ":" + env
+	} else if env := os.Getenv("VIRTUAL_PORT"); env != "" {
+		addr = ":" + env
+	} else {
+		addr = ":3000"
+	}
 
 	db.Start()
 	defer db.Close()
@@ -27,8 +33,8 @@ func main() {
 	http.Handle("/", router.Start(&data))
 	http.HandleFunc("/ws", websocket.Start(&data))
 
-	log.Printf("Server running on http://0.0.0.0:%d", *addr)
-	if err := http.ListenAndServe(*addr, nil); err != nil {
+	log.Printf("Server running on http://%s", addr)
+	if err := http.ListenAndServe(addr, nil); err != nil {
 		log.Fatal("ListenAndServe: ", err)
 	}
 }