Docker running dotnet command under Windows and bash under Linux - docker

Question

I have a pretty simple Dockerfile that builds an API image.
Dockerfile:
#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:2.1 AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443
FROM mcr.microsoft.com/dotnet/sdk:2.1 AS build
WORKDIR /src
COPY ["MyApp.Api/MyApp.Api.csproj", "MyApp.Api/"]
COPY ["MyApp.Common/MyApp.Common.csproj", "MyApp.Common/"]
COPY ["MyApp.Service/MyApp.Service.csproj", "MyApp.Service/"]
COPY ["MyApp.Repository/MyApp.Repository.csproj", "MyApp.Repository/"]
COPY ["MyApp.Data/MyApp.Data.csproj", "MyApp.Data/"]
COPY ["MyApp.Model/MyApp.Model.csproj", "MyApp.Model/"]
COPY ["MyApp.DTO/MyApp.DTO.csproj", "MyApp.DTO/"]
RUN dotnet restore "MyApp.Api/MyApp.Api.csproj"
COPY . .
WORKDIR "/src/MyApp.Api"
RUN dotnet build "MyApp.Api.csproj" -c Release -o /app/build
FROM build AS publish
RUN dotnet publish "MyApp.Api.csproj" -c Release -o /app/publish
FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "MyApp.Api.dll"]
Building that way : docker build -f MyApp.Api/Dockerfile -t myapp-api:latest .
Running it under Windows works fine and doing an ls /app gives all the DLL/files I expect.
I then deployed to Docker Hub and tried to run it on a dev server I have under Debian 10 hosting several other containers.
However launching the app the same way doesn't give me the same result:
4aa6c81f67a1 myapp-api:latest "bash" 8 minutes ago Exited (0) 8 minutes ago dazzling_ramanujan
Strangely enough bash appears to be launched instead of dotnet.
I then commited this exited container to a new one and overrided the entrypoint in order to inspect the container and doing an ls /app shows me an empty folder while it's filled in Windows.
Did you encounter something similar? How to debug that ?