# Can't get discourse working again

**URL:** <https://meta.discourse.org/t/cant-get-discourse-working-again/141736>\
**Category:** Self-hosting\
**Created:** [February 16, 2020, 10:52am UTC](https://meta.discourse.org/t/cant-get-discourse-working-again/141736 "2020-02-16T10:52:00Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![Remah](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/remah/32/70590_2.png) [@Remah](https://meta.discourse.org/u/Remah)\
**Post date:** [February 16, 2020, 11:15am UTC](https://meta.discourse.org/t/cant-get-discourse-working-again/141736/5 "2020-02-16T11:15:05Z")

</div>

Why this commenting out the command?

```plaintext
#expose:#
  - "80:80" # http
  - "443:443" # https

```

It explains the error output:

```plaintext
cat: 80:80: No such file or directory
cat: 443:443: No such file or directory

```

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_[View the full topic](https://meta.discourse.org/t/cant-get-discourse-working-again/141736)._