feat(docker): Add Dockerfile

.dockerignore

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+**/bin/
+**/obj/
+**/out/
+
+Dockerfile*

Dockerfile

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+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+
+WORKDIR /app
+
+COPY *.sln .
+COPY DVSRegister/*.csproj DVSRegister/
+COPY DVSRegister.BusinessLogic/*.csproj DVSRegister.BusinessLogic/
+COPY DVSRegister.CommonUtility/*.csproj DVSRegister.CommonUtility/
+COPY DVSRegister.Data/*.csproj DVSRegister.Data/
+
+RUN dotnet restore DVSRegister/
+
+COPY . .
+RUN dotnet publish -c Release -o out
+
+# final image stage
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
+
+WORKDIR /app
+
+COPY --from=build /app/out . 
+ENTRYPOINT ["dotnet", "DVSRegister.dll"]