From the Blog

Insights & Engineering Notes

Deep dives, tutorials and lessons learned from building web, mobile, AI and cloud products at DIGIT Pakistan.

AI / LLM
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AI / LLM

Building Production-Grade RAG Pipelines with LangChain

Retrieval-augmented generation is maturing fast. We cover the architecture, chunking strategies, vector store choices, and evaluation techniques we use in production at DIGIT.

8 min readJan 2025Read more

All Articles

Web Dev

Next.js 15 Performance Patterns That Actually Matter

Partial pre-rendering, server components, and the new cache API — here's what we learned shipping high-traffic Next.js apps and which optimisations move the needle.

6 min readDec 2024Read
Mobile

On-Device ML in Flutter: TFLite to CoreML without the Pain

Running ML models locally on iOS and Android unlocks offline inference and user privacy. We walk through the abstraction layer DIGIT built to keep cross-platform ML sane.

7 min readNov 2024Read
SaaS

Multi-Tenant SaaS Architecture: Patterns We Actually Use

Shared database, schema-per-tenant, or database-per-tenant? We break down the trade-offs and share our go-to patterns for building SaaS with Next.js and PostgreSQL.

9 min readOct 2024Read
DevOps

Zero-Downtime Deploys to Firebase with GitHub Actions

A step-by-step guide to setting up CI/CD for static Next.js exports on Firebase Hosting, including preview channels and automated Lighthouse audits.

5 min readSep 2024Read
IoT

Real-Time IoT Data Logging with InfluxDB and Grafana

How DIGIT built an industrial monitoring pipeline ingesting 50k+ sensor readings per minute with sub-second query latency and automated alerting.

7 min readAug 2024Read

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