Fix Poetry configuration

- Fix Poetry configuration for Poetry 2.0.0
- Use Poetry virtualenv in GitHub Actions workflow
- Only install dev dependencies in devcontainer

.devcontainer/Dockerfile

@@ -10,4 +10,4 @@ ENV PYTHONUNBUFFERED 1
 
 RUN pip3 install poetry
 RUN poetry config virtualenvs.create false
-RUN poetry install
+RUN poetry install --with dev

.github/workflows/deploy.yml

@@ -42,9 +42,9 @@ jobs:
     - name: Install dependencies using Poetry
       run: poetry install
     - name: Run migrations
-      run: python manage.py migrate
+      run: poetry run ./manage.py migrate
     - name: Run tests
-      run: python manage.py test
+      run: poetry run ./manage.py test
     - name: Login to GitHub Container Registry
       uses: docker/login-action@v2
       with:

Dockerfile

@@ -17,7 +17,7 @@ RUN export DEBIAN_FRONTEND="noninteractive" && \
     rm -rf /tmp/* /var/lib/apt/lists/*
 
 RUN poetry config virtualenvs.create false
-RUN poetry install --no-root --no-dev
+RUN poetry install --no-root
 RUN set -a && . ./ci.env && python manage.py collectstatic --noinput --no-post-process
 
 RUN groupadd -r dienst2 --gid=999 && useradd --no-log-init -r -g dienst2 --uid=999 dienst2