Migrating from Google Maps API to a Vietnam Map API: Cost & Code
Compare Google Maps Platform pricing and Vietnam limitations, then migrate geocoding, reverse geocoding, and address autocomplete to GoGoDuk with real code.
Practical notes on backend architecture, frontend SEO, and deployment work from real product builds.
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Compare Google Maps Platform pricing and Vietnam limitations, then migrate geocoding, reverse geocoding, and address autocomplete to GoGoDuk with real code.
A deep technical breakdown of the newly released Redis 8.8 (June 2, 2026). Explore the new O(1) sparse-friendly Array structure by antirez, the native INCREX rate-limiting command, and Hash field-level subkey notifications.
Explore practical PostGIS database optimization techniques from the Gogoduk Map API project. Learn how migrating from Geometry to Geography, designing Partial GIST indexes, and simplifying polygons can achieve 10ms query times.
Learn how Gogoduk builds API Rate Limiting and Quota Alerting systems with Redis and Go. Discover how to use Lua scripts for atomicity, prevent memory leaks, and leverage SETNX to deduplicate notifications.
A comprehensive guide to building a fast, accent-insensitive, and typo-tolerant Vietnamese address autocomplete system in PostgreSQL using unaccent, FTS, and Trigram indexing.
A practical system-design guide to tracking user online/offline status using Redis Bitmaps. Calculate RAM requirements, learn core commands, and solve real-world production pitfalls.
Learn how to reduce checkout abandonment rates and eliminate data entry errors by implementing a single-field Vietnam address autocomplete API in your forms.
Explore the backend challenges of mapping Vietnamese administrative divisions (Provinces, Districts, Wards) for logistics routing, pricing, and spatial data modeling.
A developer-focused look at GoGoDuk, a Vietnam map API platform for geocoding, address search, POI search, and admin boundaries with a free tier.
A practical guide to NestJS modular architecture for production APIs, covering modules, service boundaries, DTO validation, dependency injection, and maintainability.
A practical Next.js App Router SEO checklist covering metadata, canonical URLs, OpenGraph, structured data, sitemap, RSS, and performance.
A production-focused guide to Dockerizing a NestJS app with multi-stage builds, environment configuration, health checks, CI/CD, and deployment readiness.