MirahLabs Engineering Blog
Technical insights, tutorials, and architectures written by our design and backend engineers.
Artificial Intelligence
April 30, 2026
Building Production RAG Pipelines with LangChain and PostgreSQL pgvector
How to build Retrieval-Augmented Generation (RAG) systems that ground LLM responses in private documents using LangChain orchestration and PostgreSQL's pgvector extension.
⏱️ 21 min read
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Software Architecture
April 14, 2026
Database Sharding Strategies: When and How to Shard PostgreSQL
Database sharding distributes data across multiple PostgreSQL instances to scale beyond what a single server can handle. Learn horizontal sharding strategies, Citus, and when sharding is actually necessary.
⏱️ 22 min read
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Cloud Computing
April 02, 2026
Automated Database Migrations in CI/CD Pipelines
Running schema migrations reliably in automated pipelines requires careful ordering and rollback strategies. This guide covers Alembic, Flyway, and migration safety patterns.
⏱️ 20 min read
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