Copy .env.example to .env and fill variables

1. Create database:

   # create user krddevdays with password 'krddevdays';
   # create database krddevdays owner krddevdays;

2. Initial virtualenv:

   $ pipenv --python 3.7
   $ pipenv sync

3. Migrate database:

   $ ./manage.py migrate
   $ ./manage.py createsuperuser

1. Build:

   $ docker-compose build

2. Start:

   $ docker-compose up postgres
   $ docker-compose up app

3. Run management command like:

   $ docker exec -it backend_app_1 /bin/sh
   /app # ./manage.py createsuperuser

# pipenv install --dev
# ./manage.py test --keepdb