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The Transactional Outbox Pattern with PostgreSQL

Backend

July 202610 min read

The Transactional Outbox Pattern with PostgreSQL

Reliably publish domain events without dual-write bugs, using an outbox table, a relay poller, and PostgreSQL's row-level locking.

Saga Pattern in NestJS: Distributed Transactions Without 2PC

Backend

July 202611 min read

Saga Pattern in NestJS: Distributed Transactions Without 2PC

How to coordinate multi-service transactions in NestJS using the saga pattern, orchestration vs choreography, compensating actions, and idempotent step design.

Distroless Docker Images: Smaller, Safer Containers

DevOps

July 20269 min read

Distroless Docker Images: Smaller, Safer Containers

How distroless base images and multi-stage builds cut Docker image size and CVE surface, plus how to debug a container that has no shell at all.

PostgreSQL Row-Level Security for Multi-Tenant SaaS

Backend

July 202610 min read

PostgreSQL Row-Level Security for Multi-Tenant SaaS

How to enforce tenant isolation inside the database itself with PostgreSQL row-level security, session variables, and tests that actually prove isolation holds.

Zero-Downtime Database Migrations with Prisma

Backend

July 202610 min read

Zero-Downtime Database Migrations with Prisma

Ship schema changes without taking your app offline, using the expand-contract pattern with Prisma: backfills, dual-write windows, and safely dropping old columns.

Feature Flags in NestJS: Progressive Rollouts and Kill Switches

Backend

July 20269 min read

Feature Flags in NestJS: Progressive Rollouts and Kill Switches

How to add feature flags to a NestJS backend for percentage rollouts, per-tenant targeting, and kill switches, without letting flag debt pile up.

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