Unable to link Home assistant with Google Home

@Borrel88 wrote:

Hello there,

I know what you must be thinking, again a question on this topic?
Yes, I am thinking the same, but it seems that after reading a lot of topics on this forum and the rest of the world wide web, I cannot seem to find a solution for this problem.

The problem is a known problem, when I try to add home assistant on the google home app, I get the login screen, but after logging in, it just goes back to the list of integrations on google home without adding my test app.

This is the setup i use:

• Home Assistant 0.102.3 on a RaspberryPi 4 using Docker

• Traefik on Docker using SSL and DNS thru cloudflare. With my own domainname

• Secure SSL connection goes fine to my HASS website

• I use a Huawai Mate 10 Pro phone with Google Home installed

• The following is in my configuration files

configuration.yaml

google_assistant:
  project_id: !secret google_assist_project
  api_key: !secret google_assist_api
  exposed_domains:
    - light

secrets.yaml

google_assist_project: xxxx-000000
google_assist_api: xxxXXxXXxxxxxxXXxXxXx

(Above are ofcourse not my real project id and api key)

What I already tried myself:

• Did the whole setup about 8 different times (deleting old project and api, making a new one, changing keys and project id in configuration, restarting hass etc. etc.) (Using the official site instruction, and numerous other instructions found on the internet)
• Cleared history and cache on my phone a couple of times
• Deleted google home app, and tried again

But the problem still remains, when I try to link my test app to google home, i get to the hass login screen, but after logging in, it just goes back to the devices list and doesnt add my test app.
Next to this, the google resync service in home assistant is giving a 404 not found error, but I heard thats because you need to link your app in google home first?

I desperatly hope someone can help me with this problem, after searching and trying different things, I cannot find the solution.

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