Azure Front Door custom host https

Hi,

I have a few dotnet core web applications running outside of azure (other service provider) within docker containers. My question is that is it possible to add a custom domain mapping to those containers with https support in Azure Front Door Service? I'm trying to do this for few days now without any success. I mapped the domain to Front Door, the http connection is working but when I try the https I get this error: Our services aren't available right now. It does not reach my host at all. I tried with Azure Managed SSL and with my own certificate too.

Thank you for your help!

Best Regards,

Gery

Startup.cs

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            app.UseForwardedHeaders(new ForwardedHeadersOptions
            {
                ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
            });

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseWebAssemblyDebugging();
            }
            else
            {
                app.UseExceptionHandler("/Error");
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }

            app.UseHttpsRedirection();
            app.UseBlazorFrameworkFiles();
            app.UseStaticFiles();

            app.UseRouting();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
                endpoints.MapFallbackToFile("index.html");
            });
        }

Dockerfile

FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base

WORKDIR /app
EXPOSE 80
EXPOSE 443

FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
WORKDIR /src
COPY ["FrontDoorTest3/Server/FrontDoorTest3.Server.csproj", "FrontDoorTest3/Server/"]
COPY ["FrontDoorTest3/Shared/FrontDoorTest3.Shared.csproj", "FrontDoorTest3/Shared/"]
COPY ["FrontDoorTest3/Client/FrontDoorTest3.Client.csproj", "FrontDoorTest3/Client/"]
RUN dotnet restore "FrontDoorTest3/Server/FrontDoorTest3.Server.csproj"
COPY . .
WORKDIR "/src/FrontDoorTest3/Server"
RUN dotnet build "FrontDoorTest3.Server.csproj" -c Release -o /app/build

FROM build AS publish
RUN dotnet publish "FrontDoorTest3.Server.csproj" -c Release -o /app/publish

FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "FrontDoorTest3.Server.dll"]

docker-compose.yml

version: "3"
services:
    web:
        image: <azure-container-registry>/frontdoortest3server:latest
        ports:
            - "8500:80"
        environment:
            - ASPNETCORE_ENVIRONMENT=Production
            - ASPNETCORE_URLS=http://+:80

I also tried with an nginx proxy routing the traffic to the web app container, only the http worked.