Add gin router and set logging

backend/main.go

@@ -1,5 +1,52 @@
 package main
 
-func main() {
+import (
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"time"
 
+	"github.com/gin-gonic/gin"
+)
+
+var (
+	cert            = flag.String("cert", "./private/keys/cert.pem", "Specify the path of TLS cert")
+	key             = flag.String("key", "./private/keys/key.pem", "Specify the path of TLS key")
+	httpsPort       = flag.String("https", ":443", "Specify port for http secure hosting(example for format :443)")
+	httpPort        = flag.String("http", ":80", "Specify port for http hosting(example for format :80)")
+	release         = flag.Bool("release", false, "Set true to release build")
+	logToFile       = flag.Bool("log-to-file", false, "Set true to log to file")
+	logToFileAndStd = flag.Bool("log-to-file-and-std", false, "Set true to log to file and std")
+)
+
+func main() {
+	flag.Parse()
+	if *release {
+		gin.SetMode(gin.ReleaseMode)
+	}
+	if *logToFileAndStd || *logToFile {
+		gin.DisableConsoleColor() // Disable Console Color, you don't need console color when writing the logs to file.
+		path := fmt.Sprintf("private/logs/%02dy_%02dm_%02dd_%02dh_%02dm_%02ds.log", time.Now().Year(), time.Now().Month(), time.Now().Day(), time.Now().Hour(), time.Now().Minute(), time.Now().Second())
+		//fmt.Println(path)
+		logerror1 := os.MkdirAll("private/logs/", 0755)
+		f, logerror2 := os.Create(path)
+		if logerror1 != nil || logerror2 != nil {
+			log.Println("Cant log to file")
+		} else if *logToFileAndStd {
+			gin.DefaultWriter = io.MultiWriter(f, os.Stdout)
+		} else {
+			gin.DefaultWriter = io.MultiWriter(f)
+		}
+	}
+
+	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
+	log.SetOutput(gin.DefaultErrorWriter)
+	router := gin.Default()
+	router.GET("/health", func(c *gin.Context) {
+		c.JSON(200, gin.H{
+			"message": "ok",
+		})
+	})
 }