added dockerfile for render.com deployment

InventoryManagementSystem/Dockerfile

@@ -0,0 +1,26 @@
+# Use the official .NET SDK image for building the application (targeting .NET 8)
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-env
+WORKDIR /app
+
+# Copy the project file and restore any dependencies (via NuGet)
+COPY *.csproj ./
+RUN dotnet restore
+
+# Copy the entire source code and build the project
+COPY . ./
+RUN dotnet publish -c Release -o out
+
+# Use the official .NET runtime image for running the app (targeting .NET 8)
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
+WORKDIR /app
+COPY --from=build-env /app/out .
+
+# Set environment variables
+ENV ASPNETCORE_URLS=http://+:5000
+ENV ASPNETCORE_ENVIRONMENT=Production
+
+# Expose the API port
+EXPOSE 5000
+
+# Run the app
+ENTRYPOINT ["dotnet", "InventoryManagementSystem.dll"]

InventoryManagementSystem/InventoryManagementSystem.csproj

@@ -24,4 +24,8 @@
 		<PackageReference Include="Swashbuckle.AspNetCore" Version="6.7.3" />
 	</ItemGroup>
 
+	<ItemGroup>
+	  <Folder Include="Migrations\" />
+	</ItemGroup>
+
 </Project>