Fix(database): Database connect retry

backend/internal/common/database.go

@@ -45,12 +45,20 @@ func InitDB() *gorm.DB {
 	)
 
 	dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=%s TimeZone=Asia/Singapore", host, user, pass, dbName, port, sslMode)
-	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
-		Logger: newLogger,
-	})
-	if err != nil {
-		fmt.Println("db err: (Init) ", err)
+
+	var db *gorm.DB
+	var err error
+
+	for ok := true; ok; ok = err != nil {
+		db, err = gorm.Open(postgres.Open(dsn), &gorm.Config{
+			Logger: newLogger,
+		})
+		if err != nil {
+			fmt.Println("db err: (Init) ", err)
+			time.Sleep(1 * time.Second)
+		}
 	}
+
 	DB = db
 	return DB
 }