use dev version of poetry and poetry-core

poetry/Dockerfile

@@ -1,16 +1,19 @@
 FROM python:3.10 as base
 
 COPY pyproject.toml poetry.lock .
-COPY workspaces workspaces/
+RUN pip install git+https://github.com/adriangb/poetry.git@skip-path-dep-install \
+    && pip uninstall -y poetry-core \
+    && pip install -U git+https://github.com/python-poetry/poetry-core.git@main \
+    && poetry config virtualenvs.create false
 
 FROM base as app
-RUN pip install poetry \
-    && poetry config virtualenvs.create false \
-    && poetry install --only app
-CMD ["poetry", "run", "python", "workspaces/cli/src/namespace/app/main.py"]
+RUN poetry install --only app --no-path
+COPY workspaces/ workspaces/
+RUN poetry install --only app
+CMD ["poetry", "run", "python", "workspaces/app/src/namespace/app/main.py"]
 
 FROM base as cli
-RUN pip install poetry \
-    && poetry config virtualenvs.create false \
-    && poetry install --only cli
+RUN poetry install --only cli --no-path
+COPY workspaces/ workspaces/
+RUN poetry install --only cli
 CMD ["poetry", "run", "python", "workspaces/cli/src/namespace/cli/main.py"]