feat: Add Alembic migration scripts for DB schema changes (#596)#1063
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lokeshkumar69 wants to merge 4 commits into
Open
feat: Add Alembic migration scripts for DB schema changes (#596)#1063lokeshkumar69 wants to merge 4 commits into
lokeshkumar69 wants to merge 4 commits into
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Summary
Closes #596
Implements repeatable database migration scripts using Alembic + SQLAlchemy to avoid manual schema changes and runtime failures in production.
Changes
backend/alembic.ini— Alembic configbackend/migrations/env.py— Migration environment (reads DATABASE_URL)backend/migrations/script.py.mako— Template for new migrationsbackend/app/db/models.py— SQLAlchemy ORM models (users, share_links, analyses)backend/app/db/database.py— DB engine and session factorybackend/migrations/versions/0001_initial_schema.py— Creates all 3 tablesbackend/migrations/versions/0002_add_user_profile_fields.py— Adds profile fields to usersbackend/migrations/versions/0003_add_analysis_token_count.py— Adds token_count, is_public, view_count.github/workflows/migration-tests.yml— CI: upgrade → downgrade → upgrade roundtrip testbackend/migrations/MIGRATIONS.md— Developer documentationHow to run
cd backend pip install alembic sqlalchemy alembic upgrade head