Zeroconf instance error when configuring a vanity domain ssl cert

[sskarlatos]

The problem

When trying to add the http: config group to configuration.yaml integration cloud attempted to create another zeroconf instance. Removing the http: config group clears the error.

http:
ssl_certificate: /config/ssl/cert.pem
ssl_key: /config/ssl/privkey.pem

What version of Home Assistant Core has the issue?

System Information version | core-2025.3.4 -- | -- installation_type | Home Assistant Container dev | false hassio | false docker | true user | root virtualenv | false python_version | 3.13.2 os_name | Linux os_version | 6.11.0-19-generic arch | x86_64 timezone | America/New_York config_dir | /config

Home Assistant Cloud

logged_in | false -- | -- can_reach_cert_server | ok can_reach_cloud_auth | ok can_reach_cloud | ok

Dashboards

dashboards | 1 -- | -- resources | 0 mode | auto-gen

Network Configuration

adapters | lo (disabled), enp0s31f6 (enabled, default, auto), docker0 (disabled) -- | -- ipv4_addresses | lo (127.0.0.1/8), enp0s31f6 (192.168.2.87/24), docker0 (172.17.0.1/16) ipv6_addresses | lo (::1/128), enp0s31f6 (fdb0:c6a5:4533:7ab4:867b:ebff:fe3c:7440/64, fe80::867b:ebff:fe3c:7440/64), docker0 () announce_addresses | 192.168.2.87, fdb0:c6a5:4533:7ab4:867b:ebff:fe3c:7440, fe80::867b:ebff:fe3c:7440

Recorder

oldest_recorder_run | March 25, 2025 at 6:56 PM -- | -- current_recorder_run | March 26, 2025 at 10:57 AM estimated_db_size | 0.66 MiB database_engine | sqlite database_version | 3.48.0

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Container

Integration causing the issue

I am assuming cloud from the error message

Link to integration documentation on our website

No response

Diagnostics information

home-assistant_2025-03-26T14-47-01.326Z.log

Example YAML snippet

# Loads default set of integrations. Do not remove.
default_config:

# Load frontend themes from the themes folder
frontend:
  themes: !include_dir_merge_named themes

automation: !include automations.yaml
script: !include scripts.yaml
scene: !include scenes.yaml

zeroconf:
     default_interface: true

http:
     ssl_certificate: /config/ssl/cert.pem
    ssl_key: /config/ssl/privkey.pem

Anything in the logs that might be useful for us?

Additional information

No response

[bdraco]

2025-03-26 14:46:41.997 WARNING (MainThread) [homeassistant.helpers.frame] Detected that integration 'cloud' attempted to create another Zeroconf instance. Please use the shared Zeroconf via await homeassistant.components.zeroconf.async_get_instance(hass) at homeassistant/components/cloud/__init__.py, line 269: websession = async_get_clientsession(hass). Please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+cloud%22

[home-assistant]

zeroconf documentation
zeroconf source