Dev deployment CONVEX_SITE_URL locked to custom domain (override disabled) - how to use native .com
❔Advice
Scope
I can’t change
Stack / versions
- Language: TypeScript
- Frontend: Nuxt
- Convex:
-
-
- Node:
- pnpm:
What I’m seeing
In Deployment Settings -> Custom Domains / Override Environment Variables:
-
- the combobox is disabled, so I can’t switch back to native
Repro steps
1. Have custom domains configured for production (
2. Open dev deployment settings.
3. Try to change
4. Control is disabled; value stays
Impact
- Local dev on
- I can work around routing, but the deployment-level URL still leaks into auth issuer/JWT claims.
Question
Is this expected behavior (dev
If yes, what’s the recommended way to keep prod custom domains but run dev with native Convex URLs (
I can’t change
CONVEX_SITE_URLhttps://my-domain.comStack / versions
- Language: TypeScript
- Frontend: Nuxt
^4.3.1- Convex:
^1.31.7npx convex --version1.31.7-
@convex-dev/better-auth^0.10.10-
better-auth^1.4.18- Node:
v22.15.0- pnpm:
10.10.0What I’m seeing
In Deployment Settings -> Custom Domains / Override Environment Variables:
-
process.env.CONVEX_SITE_URLhttps://my-domain.com (default)- the combobox is disabled, so I can’t switch back to native
.convex.siteRepro steps
1. Have custom domains configured for production (
api.my-domain.comsite.my-domain.com2. Open dev deployment settings.
3. Try to change
CONVEX_SITE_URL4. Control is disabled; value stays
https://my-domain.comImpact
- Local dev on
http://localhost:3000- I can work around routing, but the deployment-level URL still leaks into auth issuer/JWT claims.
Question
Is this expected behavior (dev
CONVEX_SITE_URLIf yes, what’s the recommended way to keep prod custom domains but run dev with native Convex URLs (
*.convex.cloud*.convex.site
