Support https with custom hostname in dev

[nikitavoloboev]

for reference, I am using it here: https://github.com/nikitavoloboev/new-telegram-app

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Name	Status	Preview	Comments	Updated (UTC)
vinxi-website	❌ Failed (Inspect)			Oct 3, 2024 6:48pm

[ryansolid]

I was about to merge this but realized that you removed the resolveCertificate code. To be honest I'm not sure how it got there and if it is necessary but it suggests this PR is changing more than just exposing the hostname.

Is that intentional?

[AlexErrant]

FWIW, HTTPS with custom hostnames works in my own project. Uh, assuming here that custom hostname is just a modified /etc/hosts. Works for me with both dev and prod builds+serves, though I'm using wrangler pages dev dist/ --https-cert-path ./.cert/cert.pem --https-key-path ./.cert/key.pem for the "prod" serve.

In your code, you use devServer with host and https options, which aren't documented. Can you import the key/cert like I did and see if it works for you?