fix DockerFile

Author: NinjaRocks

Dockerfile

@@ -1,30 +1,34 @@
-# See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
-
-# This stage is used when running from VS in fast mode (Default for Debug configuration)
-FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
-USER $APP_UID
-WORKDIR /app
-EXPOSE 8080
-EXPOSE 8081
-
-
-# This stage is used to build the service project
+# Build stage
 FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
 ARG BUILD_CONFIGURATION=Release
 WORKDIR /src
-COPY ["eAuthor.API/eAuthor.API.csproj", "eAuthor.API/"]
-RUN dotnet restore "./eAuthor.API/eAuthor.API.csproj"
+
+# Copy project file(s) and restore as distinct layers for better caching
+COPY ["src/eAuthor.API/eAuthor.API.csproj", "src/eAuthor.API/"]
+RUN dotnet restore "src/eAuthor.API/eAuthor.API.csproj"
+
+# Copy the rest of the source
 COPY . .
-WORKDIR "/src/eAuthor.API"
-RUN dotnet build "./eAuthor.API.csproj" -c $BUILD_CONFIGURATION -o /app/build
 
-# This stage is used to publish the service project to be copied to the final stage
+# Build
+WORKDIR "/src/src/eAuthor.API"
+RUN dotnet build "eAuthor.API.csproj" -c $BUILD_CONFIGURATION -o /app/build
+
+# Publish stage
 FROM build AS publish
 ARG BUILD_CONFIGURATION=Release
-RUN dotnet publish "./eAuthor.API.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
+RUN dotnet publish "eAuthor.API.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
 
-# This stage is used in production or when running from VS in regular mode (Default when not using the Debug configuration)
-FROM base AS final
+# Runtime stage
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS final
 WORKDIR /app
+
+# Kestrel will listen on 8080
+ENV ASPNETCORE_URLS=http://+:8080
+EXPOSE 8080
+
+# If you want to run as non-root, uncomment the next line (aspnet image includes 'app' user)
+# USER app
+
 COPY --from=publish /app/publish .
 ENTRYPOINT ["dotnet", "eAuthor.API.dll"]