Dotnet version upgrade

Dockerfile

@@ -1,35 +1,23 @@
-FROM mcr.microsoft.com/dotnet/runtime-deps:7.0-alpine AS base
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
+USER $APP_UID
 WORKDIR /app
-EXPOSE 5000
-
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:7.0-alpine AS build
-ARG TARGETARCH
-ARG BUILDPLATFORM
+EXPOSE 8080
+EXPOSE 8081
 
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+ARG BUILD_CONFIGURATION=Release
 WORKDIR /src
-COPY *.csproj .
-RUN dotnet restore "MauMau-Server.csproj"
+COPY ["MauMau-Server/MauMau-Server.csproj", "MauMau-Server/"]
+RUN dotnet restore "MauMau-Server/MauMau-Server.csproj"
 COPY . .
-WORKDIR "/src"
-RUN dotnet build "MauMau-Server.csproj" -c Release -o /app/build -a $TARGETARCH
+WORKDIR "/src/MauMau-Server"
+RUN dotnet build "MauMau-Server.csproj" -c $BUILD_CONFIGURATION -o /app/build
 
 FROM build AS publish
-RUN dotnet publish "MauMau-Server.csproj" -c Release -o /app/publish \
-    --self-contained true \
-    /p:PublishTrimmed=true \
-    /p:PublishSingleFile=true \
-    -a $TARGETARCH
+ARG BUILD_CONFIGURATION=Release
+RUN dotnet publish "MauMau-Server.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
 
-FROM --platform=$BUILDPLATFORM base AS final
-ARG TARGETARCH
-ARG BUILDPLATFORM
-
-RUN adduser --disabled-password \
-  --home /app \
-  --gecos '' dotnetuser && chown -R dotnetuser /app 
-
-USER dotnetuser
+FROM base AS final
 WORKDIR /app
-
 COPY --from=publish /app/publish .
-ENTRYPOINT ["./MauMau-Server"]
+ENTRYPOINT ["dotnet", "MauMau-Server.dll"]