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PostgreSQL

Official PostgreSQL elephant crest coordinating two job paths at a semaphore bridgeBackend

Prevent Duplicate Jobs with PostgreSQL Advisory Locks

Coordinate concurrent workers safely with PostgreSQL advisory locks, stable lock keys, transaction-aware code, monitoring, and idempotent retries.

9 min read
Terraced rows of isolated glass data blocks connected to a central database core in a sunrise landscapeBackend

PostgreSQL Row-Level Security for Multi-Tenant Apps

Build a database-enforced tenant boundary with PostgreSQL RLS, least-privilege roles, transaction-local context, and isolation tests.

8 min read
Developer workspace visualizing concurrent FastAPI requests flowing into PostgreSQLBackend

FastAPI with PostgreSQL: Async SQLAlchemy Guide

Build a production-aware asynchronous FastAPI API with PostgreSQL, SQLAlchemy sessions, bounded connection pools, transactions, migrations, and cleanup.

5 min read
PostgreSQL database backups flowing into secure storage and a restored databaseBackend

PostgreSQL Backup and Restore: A Production-Safe Guide

Build a reliable PostgreSQL backup and restore workflow with pg_dump, pg_restore, protected credentials, retention, verification, and recovery drills.

7 min read
Automated Node.js continuous integration pipeline with test, cache, and database stagesSoftware Development

Build a Node.js CI Pipeline with GitHub Actions and PostgreSQL

Create a secure, fast Node.js CI pipeline with GitHub Actions, npm caching, lint and build checks, automated tests, and an isolated PostgreSQL service container.

8 min read
PostgreSQL database query plan comparing a slow scan with a fast indexed pathBackend

PostgreSQL Indexing Guide: Use EXPLAIN ANALYZE to Fix Slow Queries

Learn a repeatable PostgreSQL performance workflow using EXPLAIN ANALYZE, composite and partial indexes, covering indexes, planner statistics, and production-safe validation.

10 min read
REST API architecture connecting Express, Prisma, and PostgreSQLBackend

Build a REST API with Express, Prisma, and PostgreSQL

Learn how to build a structured REST API with Express, Prisma, and PostgreSQL, including migrations, validation, pagination, error handling, and production practices.

6 min read
Docker Compose stack connecting Node.js API, PostgreSQL, network, and volumeBackend

Dockerize Node.js and PostgreSQL with Docker Compose

Containerize a Node.js API and PostgreSQL with Docker Compose using a production-aware Dockerfile, service networking, health checks, migrations, and persistent volumes.

6 min read