♻️ Refactor backend, settings, DB sessions, types, configs, plugins (#158)

* ♻️ Refactor backend, update DB session handling

* ✨ Add mypy config and plugins

* ➕ Use Python-jose instead of PyJWT

as it has some extra functionalities and features

* ✨ Add/update scripts for test, lint, format

* 🔧 Update lint and format configs

* 🎨 Update import format, comments, and types

* 🎨 Add types to config

* ✨ Add types for all the code, and small fixes

* 🎨 Use global imports to simplify exploring with Jupyter

* ♻️ Import schemas and models, instead of each class

* 🚚 Rename db_session to db for simplicity

* 📌 Update dependencies installation for testing

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

@@ -10,17 +10,16 @@ RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-
 
 # 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
+
+# Allow installing dev dependencies to run tests
+ARG INSTALL_DEV=false
+RUN bash -c "if [ $INSTALL_DEV == 'true' ] ; then poetry install --no-root ; else poetry install --no-root --no-dev ; fi"
 
 # For development, Jupyter remote kernel, Hydrogen
 # Using inside the container:
 # jupyter lab --ip=0.0.0.0 --allow-root --NotebookApp.custom_display_url=http://127.0.0.1:8888
-ARG env=prod
-RUN bash -c "if [ $env == 'dev' ] ; then pip install jupyterlab ; fi"
-EXPOSE 8888
+ARG INSTALL_JUPYTER=false
+RUN bash -c "if [ $INSTALL_JUPYTER == 'true' ] ; then pip install jupyterlab ; fi"
 
 COPY ./app /app
-
 ENV PYTHONPATH=/app
-
-EXPOSE 80