# WARNING: Port 443 of computer does not appear to be accessible using hostname: \<mydomain\>.com

**URL:** <https://meta.discourse.org/t/warning-port-443-of-computer-does-not-appear-to-be-accessible-using-hostname-mydomain-com/272567>\
**Category:** Self-hosting\
**Created:** [September 2, 2024, 10:00pm UTC](https://meta.discourse.org/t/warning-port-443-of-computer-does-not-appear-to-be-accessible-using-hostname-mydomain-com/272567 "2024-09-02T22:00:00Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [September 2, 2024, 11:51pm UTC](https://meta.discourse.org/t/warning-port-443-of-computer-does-not-appear-to-be-accessible-using-hostname-mydomain-com/272567/6 "2024-09-02T23:51:22Z")

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> [@shibi](#):
>
> I placed it between \< and \>

That’s the problem. Just type the full name with no spaces and no angle brackets.

And now your app.yml is broken. The easiest thing will be to

`rm containers/app.yml`

and start over.

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