add timezone in docker container and force before hangfire start

BMA.EHR.Leave/Dockerfile

@@ -1,6 +1,11 @@
-#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
+#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
 FROM mcr.microsoft.com/dotnet/aspnet:7.0 AS base
+
+# ตั้งค่า TimeZone ใน Container
+ENV TZ=Asia/Bangkok
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+
 WORKDIR /app
 EXPOSE 80
 EXPOSE 443