How to setup & configure HAProxy on DigitalOcean

HAProxy (High Availability Proxy) is a powerful, open-source load balancer and reverse proxy. It sits between clients and your backend servers, distributing traffic, checking server health, optionally offloading TLS, and enabling flexible routing rules (layer 4 or layer 7). Because it’s lightweight, mature, and highly configurable, HAProxy is…

How to deploy & self-host Dify on DigitalOcean

Dify is an open-source platform for building LLM (large language model)–based applications. It offers a visual workflow engine, prompt/agent support, RAG (retrieval augmented generation) pipelines, model management, observability, and APIs. The idea is to let users go from prototype to production in a unified environment, while retaining full…

Using TTL to Prepare for DNS Changes

When you plan a DNS change—such as moving your website to a new server—the biggest obstacle is cached records across the Internet. By default, recursive resolvers may hold onto old data until the record’s time to live (TTL) expires. If the TTL is high (like 24 hours), many…

How Reverse DNS Works and Why It Matters

DNS’s original goal was to convert human-friendly names (like dropletdrift.com) into machine addresses (IP). In parallel evolved a “reverse” function—mapping an IP back to a name. Though not strictly required, reverse DNS (rDNS) has been recommended as a sound best practice since early DNS guidance (e.g. Informational RFCs).…