Docker is running, but the web browser does not see anything

General
1

I am a complete beginner with docker. For now, I’m solving docker using portainer. My docker runs in a Linux container (LXC). Everything seems to be working. This means that I have portainer, vaultwarden running in docker and they work fine.

I also use wireguard and want to simplify user management, so I decided to install wireguard-ui

There are many instructions on how to install it with docker (e.g. here or here).
I will do everything necessary as described in the manual. When I want to run wireguard-ui in a web browser, nothing happens.
Of course, I use the correct url

ip_address_where_docker_runs:5000

Some friends also have similar problems.

2

Considering the fact that, as a newbie, I can give a maximum of 2 links here, so here is a link where other people also have problems.

3

I solved the problem by editing the yaml file.
Change this
image: linuxserver/wireguard:latest
to
image: linuxserver/wireguard:v1.0.20210914-ls6
More info