mount all apps in container

Dockerfile.code

@@ -9,7 +9,8 @@ RUN pip install uv
 RUN uv pip install -r requirements.txt --system
 RUN uv pip install polars-lts-cpu --system
 
-# Add repository code
+ARG APP
+ENV PYTHONPATH=/apps/$APP/src/
 WORKDIR /opt/dagster/home
 
 # Run dagster gRPC server on port 4000
@@ -17,4 +18,4 @@ EXPOSE 4000
 
 # CMD allows this to be overridden from run launchers or executors that want
 # to run other commands against your repository
-CMD ["dagster", "code-server", "start", "-h", "0.0.0.0", "-p", "4000", "-m", "app.definitions"]
+CMD ["dagster", "code-server", "start", "-h", "0.0.0.0", "-p", "4000", "-m", "definitions"]