Is it possible to store the alembic connect string outside of alembic.ini?

Question

I\'m using Alembic with SQL Alchemy. With SQL Alchemy, I tend to follow a pattern where I don\'t store the connect string with the versioned code. Instead I have file secr

Answer 1

In env.py just add

config.set_main_option('sqlalchemy.url', os.environ['DB_URL'])

after

config = context.config

like

config = context.config
config.set_main_option('sqlalchemy.url', os.environ['DB_URL'])

and then execute like that:

DB_URL="mysql://atuamae:de4@127.0.0.1/db" \
  alembic upgrade head