reading config and write log into absolute path using current directory

config.go

 
 func readConfig() error {
 	log.Println("Read configration for production ")
-	return readConfigFile("config.json")
+	workingdir := getWorkingDir()
+	return readConfigFile(workingdir + "/config.json")
 }
 
 func readConfigForTest() error {
 	log.Println("Read configration for Test ")
-	return readConfigFile("config.test.json")
+	workingdir := getWorkingDir()
+	return readConfigFile(workingdir + "/config.test.json")
 }
 
 func readConfigFile(file string) error {

deploy.sh

 #!/bin/bash
-echo compile program
+echo "compile program to rpn "
+go build -o rpn
+
+scp rpn rpn@hk-01.biukop.com:~/go/
+scp config.json rpn@hk-01.biukop.com:~/go/
+rsync -a --exclude _pgbackup PG rpn@hk-01.biukop.com:~/go/
+rsync -a form rpn@hk-01.biukop.com:~/go/
+
+echo 'stop remote rpn and start new one'
+ssh root@hk-01.biukop.com "/usr/sbin/service rpn stop; /usr/sbin/service rpn start" 
+

main.go

 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 	"text/template"
 	"time"
 )
 func main() {
 	db.h = nil //make sure it's in proper state.
 
+	workingdir := getWorkingDir()
+
 	//setup log file
-	filename := "logs/rpn.superforex." + time.Now().Format("2006-01-02-15-04-06") + ".log"
+	filename := workingdir + "/logs/rpn.superforex." + time.Now().Format("2006-01-02-15-04-06") + ".log"
 	f, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
 	if err != nil {
 		log.Fatalf("Error opening file: %v", err)
 	//program never reach here.
 }
 
+func getWorkingDir() string {
+	dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
+	if err != nil {
+		log.Fatal(err)
+	}
+	return dir
+}
+
 func errPage(w http.ResponseWriter, code int, msg string) {
 	var data struct {
 		ErrorMessage string