Create a .env file with content like, e.g:
SQLALCHEMY_TRACK_MODIFICATIONS=True
DATABASE_URL=postgresql://postgres@localhost:5432/oiltest
SECRET_KEY=phussRjaoALhkJhL13Q7wXYdJOK4puma
FLASK_ENV=development
heroku create
heroku rename trabase
heroku addons:create heroku-postgresql:hobby-dev
heroku config:set SECRET_KEY="`< /dev/urandom tr -dc 'a-zA-Z0-9' | head -c16`"
heroku config:set FLASK_APP=trabase
git push heroku master
heroku open
heroku pg:psql
Use the python console
from werkzeug.security import generate_password_hash
password='somepasswd'
generate_password_hash(password, method='sha256')
'sha256$8yn7UtoG$862d802f936b61dc7347b7ac60f5e2853b3ff5b717a970c0a1fb3305d8752bc5'
heroku pg:psql
INSERT INTO "user" (name, email,password, created_on)
VALUES ('Steffen Vinther Sørensen', 'svinther@gmail.com', 'sha256$....', now())
;