PYTHON-4351, PYTHON-4363 Fix celeryworker startup and pin pydantic (#38)

Author: blink1073

{{cookiecutter.project_slug}}/backend/app/pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
   "raven>=6.10.0",
   "jinja2>=3.1.2",
   "python-jose[cryptography]>=3.3.0",
-  "pydantic>=2.0",
+  "pydantic>=2.0,<2.7",
   "pydantic-settings>=2.0.3",
   "httpx>=0.23.1",
   "psycopg2-binary>=2.9.5",

{{cookiecutter.project_slug}}/backend/celeryworker.dockerfile

@@ -13,12 +13,10 @@ ENV \
   PIPX_VERSION=$PIPX_VERSION \
   PYTHONPATH=/app
 COPY ./app/ /app/
-RUN <<HEREDOC
-python -m pip install --no-cache-dir --upgrade pip "pipx==$PIPX_VERSION"
-pipx install "hatch==$HATCH_VERSION"
-hatch env prune && hatch env create production
-chmod +x /app/worker-start.sh
-HEREDOC
+RUN python -m pip install --no-cache-dir --upgrade pip "pipx==$PIPX_VERSION"
+RUN pipx install "hatch==$HATCH_VERSION"
+RUN hatch env prune && hatch env create production
+RUN chmod +x /app/worker-start.sh
 
 # For development, Jupyter remote kernel, Hydrogen
 # Using inside the container: