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Tips, tutorials, and perspectives from the tekko.id team about the digital and technology world.
Mastering Deterministic RAG: Self-Correcting Workflows with LangGraph
Build production-grade RAG pipelines using LangGraph to implement state-machine control, self-correction loops, and human-in-the-loop verification.
Building Fault-Tolerant AI Agents with Temporal and LangGraph
Learn how to combine LangGraph’s agentic orchestration with Temporal’s durable execution to build production-grade, state-recoverable AI workflows.
Database Branching: Better CI/CD with Neon and GitHub Actions
Stop fighting over shared staging databases. Learn how to automate isolated Postgres branches for every PR using Neon and GitHub Actions.
Implementing Semantic Cache-Aside for LLMs with Upstash Vector
Learn how to slash LLM latency and inference costs by implementing a semantic cache-aside pattern using Upstash Vector and Redis for similarity-based query reuse.
Querying Multi-GB Parquet Files in the Browser with DuckDB-Wasm
Learn how to build high-performance client-side analytics by leveraging DuckDB-Wasm, Apache Arrow, and Parquet to query gigabytes of data with sub-second latency.
Scaling LLMs: Implementing Semantic Caching with Redis
Reduce LLM latency and costs by implementing semantic caching. Learn how to use Redis vector similarity search to reuse responses for semantically equivalent queries.
Testing RAG: Building LLM Eval Pipelines with DeepEval and Pytest
Move past manual 'vibe checks' by building automated evaluation pipelines to quantify RAG hallucinations and faithfulness using DeepEval and Pytest.
Scaling SaaS Authorization: Implementing ReBAC with OpenFGA and Go
Learn how to build flexible, relationship-based access control for complex multi-tenant SaaS applications using OpenFGA and Go, inspired by Google's Zanzibar.
Sidecar-less Service Mesh: Securing Kubernetes with Cilium eBPF
Learn how to eliminate sidecar overhead and secure Kubernetes networking using Cilium eBPF for mutual authentication and observability via Hubble.