##Heroku logs

heroku logs --tail --app ybsapi

##Migrations

heroku run python manage.py db upgrade --app

##Exporting environment variables

export APP_SETTINGS="config.DevelopmentConfig"
export DATABASE_URL="postgresql://localhost/ybs"

##Database creation

sudo -u name_of_user createdb ybs #to create
psql -U name_of_user -d ybs #to check

##Database updates.

1. Edit database schemas.
2. Delete migrations folder.
3. Remember to mkdir versions with ".keep" file

python3.7 manage.py db init
python3.7 manage.py db migrate
python3.7 manage.py db upgrade

##Heroku setup

heroku create name_of_your_application
heroku config:set APP_SETTINGS=config.ProductionConfig --remote prod
heroku config --app name_of_your_application
heroku run python manage.py db upgrade --app name_of_your_application # migrations

##Heroku logs

heroku logs --tail --app ybsapi

###VK verify user ID https://vk.com/dev/vk_apps_launch_params