[INFRA] Set up Railway project + custom domain

[langoustine69]

Infrastructure Setup

Railway Setup

1. Create Railway account at https://railway.app
2. Create new project: queryx
3. Connect GitHub repo: langoustine69/queryx
4. Set environment variables (from .env.example)
5. Deploy via railway up or auto-deploy from main

Custom Domain

• Target: queryx.run or api.queryx.run
• Configure in Railway dashboard → Settings → Domains
• Update DNS (CNAME to Railway)

Checklist

• Railway project created
• GitHub repo connected
• All env vars set
• First deploy successful
• /health returns 200 at Railway URL
• Custom domain configured (if purchased)
• Domain resolving correctly