Easy end-to-end guide for getting PostgreSQL with the pgvector extension up & running with Docker and using it as a vector store in n8n. Including sample workflows for storing extracted data from a PDF as OpenAI embeddings and querying it with a simple RAG agent.
Development
Customizing Bootstrap in a React app built with Vite
A convenient guide demonstrating how to easily customize the standard Bootstrap theme (colors, fonts, etc.) in your React app by leveraging Vite and Sass. Includes using of Google Fonts for your styling.
Using Apache Kafka for transferring files
A quick guide on how to use Apache Kafka as a sophisticated platform for exchanging files between applications and systems. The KafkaJS library is used on the producer and consumer side to implement a minimal working example.
React + TypeScript + Bootstrap quick start powered by Vite
Tutorial on how to quickly set-up a React project with TypeScript and Bootstrap using Vite as build tool. We’ll use a simple demo app showing basic concepts of React like component destructuring and leveraging TypeScript benefits. Bonus: Deployment on AWS S3.
Connecting from a Docker container to a local MongoDB
A quick guide demonstrating how to connect to a local MongoDB instance from a Docker container.
Creating a time series sample CSV file with a bash script
Demonstrating a pragmatic way for generating time series sample data in CSV files with a bash script. Useful for Proof-of-Concepts, unit and performance testing and many other scenarios.
npm major package upgrades with backward patch support
A short checklist for publishing new major versions of your packages in the npm registry including support for patching older versions.
JavaScript Map: sorted for-loop with a custom iterator
An elegant way of how to do a sorted iteration over all entries of a JavaScript Map with a for-loop using a custom iterator implemented with Symbol.iterator, function* and yield*.
Using nginx as reverse proxy to overcome CORS errors in frontend development
A simple setup for using nginx as a local reverse proxy to avoid Cross-Origin Resource Sharing (CORS) errors during frontend development (React, Angular etc.) without the need of code changes.