refactor: update dockerfile to use consistent working directories and output paths

Author: https-richardy

Dockerfile

@@ -1,11 +1,11 @@
 # use ASP.NET Core 9.0 runtime image (alpine) as base
 FROM mcr.microsoft.com/dotnet/aspnet:9.0-alpine AS base
-WORKDIR /app
+WORKDIR /artifacts
 EXPOSE 8080
 
 # use SDK image (Alpine) for build
 FROM mcr.microsoft.com/dotnet/sdk:9.0-alpine AS build
-WORKDIR /src
+WORKDIR /workdir
 
 # copy only csproj and sln to restore as early as possible
 COPY ["Source/HttpsRichardy.Federation.WebApi/HttpsRichardy.Federation.WebApi.csproj", "HttpsRichardy.Federation.WebApi/"]
@@ -17,22 +17,22 @@ RUN dotnet restore "HttpsRichardy.Federation.WebApi/HttpsRichardy.Federation.Web
 # copy the rest of the source code
 COPY Source/ ./Source/
 
-WORKDIR "/src/Source/HttpsRichardy.Federation.WebApi"
+WORKDIR "/workdir/Source/HttpsRichardy.Federation.WebApi"
 
 # build in Release mode
-RUN dotnet build "HttpsRichardy.Federation.WebApi.csproj" -c Release -o /app/build
+RUN dotnet build "HttpsRichardy.Federation.WebApi.csproj" -c Release -o /artifacts/build
 
 # publish the project for production
-RUN dotnet publish "HttpsRichardy.Federation.WebApi.csproj" -c Release -o /app/publish /p:UseAppHost=false
+RUN dotnet publish "HttpsRichardy.Federation.WebApi.csproj" -c Release -o /artifacts/publish /p:UseAppHost=false
 
 # final image to run the app
 FROM base AS final
-WORKDIR /app
+WORKDIR /artifacts
 
 ENV ASPNETCORE_URLS=http://+:8080
 ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=true
 
 # copy published files from the build stage
-COPY --from=build /app/publish .
+COPY --from=build /artifacts/publish .
 
 ENTRYPOINT ["dotnet", "HttpsRichardy.Federation.WebApi.dll"]