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Port0 – dev servers by name, not port (Go)
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Solve My ProblemCozy
hemanth05
103mo ago
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GitHub Repository
5 starsTypeScript
Portname – named localhost URLs for every dev server
by hrncode·Feb 21, 2026·4 points·4 comments
AI Analysis
●●●BangerSolve My ProblemShip It
Solves port-clash friction with auto-detecting framework config and named subdomains for HMR.
Strengths
- •Genuine DX improvement: auto-detects Vite, Next.js, SvelteKit, etc., and patches their config to accept the named hostname—zero manual setup or config files.
- •Elegant single-port architecture: routes all named subdomains through a single proxy daemon, eliminating port juggling and cookie bleeding across projects.
- •WebSocket proxying works transparently for HMR—live reload just works without special configuration.
Weaknesses
- •Limited to localhost-only use; doesn't help teams or remote development scenarios where portname would be most valuable.
- •No mention of Windows support parity or potential DNS resolution issues with `.localhost` subdomains on all platforms.
Category
Target Audience
Full-stack developers running multiple local projects simultaneously, especially those using Vite/Next.js/Nuxt.
Similar To
Ngrok (for public tunneling, different use case) · local.dev (lightweight local DNS) · dnsmasq (local DNS, higher friction)
Post Description
Tired of localhost:3000 clashing with other projects. Built portname —
a local proxy that gives every dev server a named URL instead of a port.
portname run dev → myapp.localhost:1999
Auto-detects Vite/Next/Nuxt, patches config automatically, proxies WebSocket so HMR works. Single binary, no dependencies.
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