➕ Use Poetry for package management (#144)

* use poetry insted of Pipfile

* fix python black version

* set prepare.sh as executable

* revert postgres 11

* use multi-build stage in docker

* fix poetry path

* 🔥 Remove uneeded changes

* 🔧 Move and update Poetry file

* 🙈 Update gitignore

* 🐳 Update Dockerfiles to use Poetry

* 🐳 Update Dockerfiles with Poetry

* 🔧 Add SERVER_NAME required by Celery worker

* 🐳 Update Poetry install to avoid env conflicts

* ➕ Add Pytest to Poetry dependencies

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

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

@@ -1,6 +1,16 @@
 FROM python:3.7
 
-RUN pip install raven celery~=4.3 passlib[bcrypt] tenacity requests "fastapi>=0.47.0" emails pyjwt email-validator jinja2 psycopg2-binary alembic SQLAlchemy
+WORKDIR /app/
+
+# Install Poetry
+RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | POETRY_HOME=/opt/poetry python && \
+    cd /usr/local/bin && \
+    ln -s /opt/poetry/bin/poetry && \
+    poetry config virtualenvs.create false
+
+# Copy poetry.lock* in case it doesn't exist in the repo
+COPY ./app/pyproject.toml ./app/poetry.lock* /app/
+RUN poetry install --no-dev --no-root
 
 # For development, Jupyter remote kernel, Hydrogen
 # Using inside the container: