Change vercel .env variable NEXT_PUBLIC_APP_ENV="production"
When not set to production it sets robots.txt to block all crawlers.
- `set this on vercel NEXT_PUBLIC_APP_ENV="production"`
- Rebuild the app
- check [factiii.com/robots.txt](http://factiii.com/robots.txt "") the only difference is the bad one disallows / which is everything.
GOOD robots
```
# *
User-agent: *
Disallow: /vcard
Disallow: /vcard/*
# Host
Host: http://localhost:3000
# Sitemaps
Sitemap: http://localhost:3000/sitemap.xml
```
BAD ROBOTS
```
# *
User-agent: *
Disallow: /
Disallow: /vcard
Disallow: /vcard/*
# Host
Host: http://localhost:3000
# Sitemaps
Sitemap: http://localhost:3000/sitemap.xml
```