6 replies

Wildcard DNS with workers on a custom domain

I found a bunch of discussions, but still confused. I have a worker with a custom domain and a route defined:

route = { pattern = "*example.com/*", zone_name = "example.com" }

route = { pattern = "*example.com/*", zone_name = "example.com" }

And I have the DNS set for

AAAA * 100:: Proxied

AAAA * 100:: Proxied

Any request to

anything.example.com

anything.example.com

now get routed to the worker and it responds. So that works. I am trying to make my app route to different handlers depending on the subdomain (my SaaS has subdomain per user, and the app is written in Hono).

My idea was to check the

Host

Host

of the request and make routing based on that. But the

Host

Host

is always just

example.com

example.com

, without the subdomain, and my in-app routing fails. What am I missing?

Developing locally it's a similar story: request to

bla.localhost

bla.localhost

has a

Host

Host

value of

localhost

localhost

, not

bla.localhost

bla.localhost

. Running wrangler with

--host

--host

argument just changes the host, but never fixes the missing subdomain.

Cloudflare Developers•2y ago•

6 replies

Rakhim

Wildcard DNS with workers on a custom domain

I found a bunch of discussions, but still confused. I have a worker with a custom domain and a route defined:

route = { pattern = "*example.com/*", zone_name = "example.com" }

route = { pattern = "*example.com/*", zone_name = "example.com" }

And I have the DNS set for

AAAA * 100:: Proxied

AAAA * 100:: Proxied

Any request to

anything.example.com

anything.example.com

Host

Host

of the request and make routing based on that. But the

Host

Host

is always just

example.com

example.com

, without the subdomain, and my in-app routing fails. What am I missing?

Developing locally it's a similar story: request to

bla.localhost

bla.localhost

has a

Host

Host

value of

localhost

localhost

, not

bla.localhost

bla.localhost

. Running wrangler with

--host

--host

argument just changes the host, but never fixes the missing subdomain.

Wildcard DNS with workers on a custom domain

Similar Threads

Wildcard DNS with workers on a custom domain

Similar Threads

Similar Threads

Similar Threads