Insights & expertise

Product and platform insightsfrom Hanabi engineers

Practical writing on production AI, backend architecture, permissions, product engineering, and the systems behind reliable software.

Crafting Adaptive AI Workflows with LangGraph

Large Language Models (LLMs) have evolved from single-shot text generators into dynamic collaborators that can reason over data, call tools, and maintain conversations. Orchestrating those capabilities reliably is the challenge LangGraph tackles. Learn how to build production-ready conversational agents that mix natural language, retrieval, and custom tools with complete code snippets you can adapt to your own stack.

Hanabi Technologies

September 24, 2025

5 min read

Latest articles

AI Workflows

Crafting Adaptive AI Workflows with LangGraph

Working with Google APIs: A Practical Guide to Drive, Sheets, and Gmail

Google's APIs power many everyday services, from Gmail add-ons to advanced analytics on YouTube data. Whether you're building a simple automation or a full-fledged application, the steps to set up, authenticate and use these APIs are consistent across Google Cloud services.

Role-Based Access Control with CASL in a NestJS Backend

Modern back-ends rarely expose every endpoint to every client. Whether you are building an admin dashboard or a partner API, access should depend on who is making the request. CASL provides a clean, declarative way to model permissions.

Creating a CI/CD Pipeline with Cloud Build and GKE

Continuous integration and continuous delivery (CI/CD) keep cloud-native applications releasable at all times. Google Cloud Build handles the build and deploy steps, while Google Kubernetes Engine (GKE) provides a managed environment for running your workloads.

Building LLM-Powered Apps with LangChain

Large Language Models (LLMs) have opened the door to powerful text-based capabilities: natural language understanding, summarization, code generation, and more. LangChain streamlines the development of LLM applications with composable building blocks.

Hanabi Technologies

August 3, 2025

4 min read

DevOps & Observability

Logging in Production: Lessons, Patterns, and Code Snippets

Even the most brilliant application can become unmanageable without effective logging. In production environments, logs provide the narrative for understanding system health, user behaviour, and unexpected failures.

Hanabi Technologies

July 28, 2025

4 min read