The Alembic Textbook on Manvendra Rajpoot https://blog.rajpoot.dev/textbooks/alembic/ Recent content in The Alembic Textbook on Manvendra Rajpoot Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot Alembic Textbook Ch. 1 — Introduction and Setup https://blog.rajpoot.dev/textbooks/alembic/01-introduction-setup/ Sun, 10 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/01-introduction-setup/ Chapter 1 — Alembic introduction: what it is, setup, env.py, naming conventions. Alembic Textbook Ch. 2 — Autogenerate: What It Sees, What It Misses https://blog.rajpoot.dev/textbooks/alembic/02-autogenerate/ Sun, 10 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/02-autogenerate/ Chapter 2 — Alembic autogenerate: what it detects, what it misses, review checklist. Alembic Textbook Ch. 3 — Writing Migrations Manually https://blog.rajpoot.dev/textbooks/alembic/03-writing-manually/ Sun, 10 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/03-writing-manually/ Chapter 3 — Manual Alembic migrations: op API, batch_alter_table, raw SQL, data migrations. Alembic Textbook Ch. 4 — Branching, Merging, and Multiple Heads https://blog.rajpoot.dev/textbooks/alembic/04-branching-merging/ Sun, 10 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/04-branching-merging/ Chapter 4 — Alembic branches: when they happen, how to merge, and avoiding multiple heads. Alembic Textbook Ch. 5 — Online Schema Changes (Zero-Downtime Patterns) https://blog.rajpoot.dev/textbooks/alembic/05-online-schema-changes/ Sun, 10 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/05-online-schema-changes/ Chapter 5 — Online schema changes via Alembic: expand-contract, batched backfills, concurrent indexes, big-table patterns. Alembic Textbook Ch. 6 — Multi-Database and Multi-Tenant Migrations https://blog.rajpoot.dev/textbooks/alembic/06-multi-database/ Sun, 10 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/06-multi-database/ Chapter 6 — Alembic with multiple databases or schema-per-tenant: env.py setup, migration strategies. Alembic Textbook Ch. 7 — CI Integration https://blog.rajpoot.dev/textbooks/alembic/07-ci-integration/ Sun, 10 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/07-ci-integration/ Chapter 7 — Alembic in CI: drift detection, up/down round-trip, dry-run, deploy gates. Alembic Textbook Ch. 8 — Production Patterns and Recovery https://blog.rajpoot.dev/textbooks/alembic/08-production-recovery/ Sun, 10 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/textbooks/alembic/08-production-recovery/ Chapter 8 — Alembic production patterns: deploy strategies, rollback, recovery from broken migrations.