Service Discovery: Finding Services Without Hardcoding

Hardcoded IPs are a maintenance nightmare. Here’s how to let services find each other dynamically. The Problem 1 2 3 4 5 6 7 # Bad: Hardcoded api_url = "http://192.168.1.50:8080" # What happens when: # - IP changes? # - Service moves to new host? # - You add a second instance? Service discovery solves this: services register themselves, and clients look them up by name. DNS-Based Discovery The simplest approach: use DNS. ...

March 11, 2026 Β· 5 min Β· 867 words Β· Rob Washington