Migrate dev-dependencies to group.dev.dependencies

Author: Elenetta17

Dockerfile

@@ -9,7 +9,7 @@ RUN poetry config virtualenvs.in-project true
 COPY pyproject.toml pyproject.toml
 COPY poetry.lock poetry.lock
 
-RUN poetry install --no-root --no-dev \
+RUN poetry install --no-root --without dev \
     && rm -rf /root/.cache/*
 
 COPY guesthouse guesthouse

pyproject.toml

@@ -14,7 +14,7 @@ uvicorn = "^0.18.3"
 pytest = "^7.1.2"
 anyio = "<4"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 mypy = "^0.971"
 pre-commit = "^2.20.0"
 pytest-asyncio = "^0.19.0"