improve dockerfiles and adjust code paths

Dockerfile.code.playwright

@@ -1,7 +1,12 @@
 FROM mcr.microsoft.com/playwright:v1.54.0-noble
 
+ARG APP
+ENV APP=$APP
+ENV PYTHONPATH=/apps/$APP/src/:/shared/src/:$PYTHONPATH
 ENV PATH="/venv/bin:/root/.local/bin:$PATH"
 
+WORKDIR /opt/dagster/home
+
 RUN curl -LsSf https://astral.sh/uv/install.sh | sh && \
     uv python install 3.12 && \
     uv venv /venv
@@ -16,10 +21,7 @@ RUN . /venv/bin/activate && \
     uv pip install playwright && \
     playwright install
 
-ARG APP
-ENV APP=$APP
-ENV PYTHONPATH=/apps/$APP/src/:/shared/src/:$PYTHONPATH
-WORKDIR /opt/dagster/home
+
 
 # Run dagster gRPC server on port 4000
 EXPOSE 4000