update readme

README.md

@@ -25,6 +25,30 @@ Among other things these tweaks are included :
 | DOTNET_CLI_TELEMETRY_OPTOUT                         | Disables telemetry                                                      | 1                                                                                            |
 | TZ                                                  | Time zone ([list](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List)) | Europe/Brussels |                                                                               |
 
+### Usage
+
+Since this is just a base image, some additional setup is needed.
+The following is just an example of how your Dockerfile could look like.
+
+``
+# Password for the certificate
+# this image contains the entire .NET SDK and is ideal for creation the build
+FROM mcr.microsoft.com/dotnet/sdk:8.0-alpine-amd64 AS build-env
+WORKDIR /App
+COPY . ./
+# Restore dependencies for your application
+RUN dotnet restore
+# Build your application
+RUN dotnet publish test.csproj --no-restore --self-contained false -c Release -o out /p:UseAppHost=false 
+
+FROM git.claeyscloud.com/david/net-base:latest
+WORKDIR /App
+# copy build files from build-stage
+COPY --from=build-env /App/out .
+# entrypoint for image
+ENTRYPOINT ["dotnet", "test.dll"]
+``
+
 ### Security implications
 
 This images uses the system provided by Microsoft to generate a development certificate and uses the [Kestrel](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/servers/?view=aspnetcore-9.0&tabs=windows) webserver.