SPA: Docker file ASP url

Author: Carlos Cañizares Estévez

src/Web/WebSPA/eShopOnContainers.WebSPA/Dockerfile

@@ -2,6 +2,5 @@ FROM microsoft/aspnetcore:1.0.1
 ENTRYPOINT ["dotnet", "eShopOnContainers.WebSPA.dll"]
 ARG source=.
 WORKDIR /app
-ENV ASPNETCORE_URLS http://*:80
-EXPOSE 80
+ENV ASPNETCORE_URLS http://0.0.0.0:5104
 COPY $source .