sandeepkv93/alembic_guide.md

## alembic_guide.md

      
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              alembic_guide.md
            
          
    Initialize

alembic init alembic
Setup

1. Set sqlalchemy.url in alembic.ini
2. Set target_metadata to proper models.py's model in env.py

To import models from previous directory

import os, sys
parent_dir = os.path.abspath(os.getcwd())
sys.path.append(parent_dir)
Generate first revision

alembic revision -m "baseline"
Update the db

alembic upgrade head
Generate autogenerate revision

alembic revision --autogenerate -m "Message"
alembic upgrade head
requirements.txt

alembic==0.8.6
SQLAlchemy==1.0.13
psycopg2-binary==2.7.5