MirahLabs Engineering Blog
Technical insights, tutorials, and architectures written by our design and backend engineers.
Python Memory Management: Reference Counting and Generational Garbage Collection
Deep dive into CPython's memory management model: reference counting, memory allocation arenas, and how generational garbage collection resolves cyclic references.
Platform Engineering: Building an Internal Developer Platform
Platform engineering builds the infrastructure and tooling that lets application teams ship faster and safer. Learn how to design an Internal Developer Platform (IDP) with self-service provisioning and golden paths.
SQLAlchemy 2.0: The Complete Migration Guide
SQLAlchemy 2.0 introduces a new style API, async-first design, and significant performance improvements. Learn what changed and how to migrate your Flask applications.
PostgreSQL Performance Tuning: Indexes, Query Plans, and Connection Pooling
PostgreSQL is incredibly powerful but requires thoughtful configuration for high-traffic production workloads. This guide covers index strategies, query plan analysis with EXPLAIN, and PgBouncer connection pooling.
Python Type Hints and Pydantic: Building Safer, Self-Documenting APIs
Type hints transform Python from a dynamic free-for-all into a structured, IDE-friendly language. Pydantic adds runtime validation. Together they make your APIs safer and self-documenting.
Prompt Engineering: Advanced Techniques for Production LLM Applications
Prompt engineering is the art of communicating with LLMs effectively. Learn chain-of-thought prompting, few-shot examples, structured output, and prompt injection prevention for production systems.