add poetry export plugin

Author: sidpalas

06-demo-application/load-generator-python/Dockerfile

@@ -1,10 +1,13 @@
 FROM python:3.12-slim AS generate-requirements
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
 RUN curl -sSL https://install.python-poetry.org | python3 -
+ENV PATH="/root/.local/bin:$PATH"
+# Export is provided by a plugin in newer versions of poetry 
+RUN poetry self add "poetry-plugin-export[requirements]"
 COPY pyproject.toml poetry.lock ./
-RUN /root/.local/bin/poetry export --output requirements.txt
+RUN poetry export --output requirements.txt
 
-###
+# ###
 
 FROM python:3.12-slim AS production
 COPY --from=generate-requirements /requirements.txt .