init a Dockerfile

Dockerfile

@@ -1,25 +1,32 @@
 # syntax=docker/dockerfile:1
 # Learn about building .NET container images:
 # https://github.com/dotnet/dotnet-docker/blob/main/samples/README.md
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0-alpine AS build
-ARG TARGETARCH=amd64
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
+WORKDIR /app
+EXPOSE 80
+EXPOSE 443
 
-WORKDIR /source
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
+WORKDIR /src
+COPY ["/src", "/src"]
+COPY "Directory.Packages.props" "Directory.Packages.props"
 
-# Copy project file and restore as distinct layers
-COPY --link src src
-COPY --link Directory.Packages.props .
+RUN dotnet nuget add source https://isn.pschneider.fr/v3/index.json --allow-insecure-connections
 
-RUN dotnet nuget add source https://isn.pschneider.fr/v3/index.json
-RUN dotnet restore -a $TARGETARCH src/Yavsc/Yavsc.csproj
+# Just to see if two lines above work
+RUN dotnet nuget list source
+
+RUN dotnet restore "/src/Yavsc/Yavsc.csproj"
 
 # Copy source code and publish app
-RUN dotnet publish -a $TARGETARCH --no-restore -o /app src/Yavsc/Yavsc.csproj
 
-# Runtime stage
-FROM mcr.microsoft.com/dotnet/runtime:10.0-alpine
+WORKDIR "/src/Yavsc"
+RUN dotnet build "Yavsc.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "Yavsc.csproj" -c Release -o /app/publish /p:UseAppHost=false
+
+FROM base AS final
 WORKDIR /app
-COPY --link --from=build /app .
-USER $APP_UID
-ENTRYPOINT ["./Yavsc"]
-
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "Yavsc.dll"]