Unable to use Docker Compose

I've done everything said [here](https://gist.github.com/FilBot3/4424d312a87f7b4178722d3b5eb20212), the result is almost satisfactory, only I get the message that Docker Compose is required.
Is there any way I can resolve this?


```
$ flatpak info com.visualstudio.code

Visual Studio Code - Visual Studio Code. Code editing. Redefined.

ID: com.visualstudio.code
Ref: app/com.visualstudio.code/x86_64/stable
Arch: x86_64
Branch: stable
Version: 1.57.1-1623936438
License: LicenseRef-proprietary=https://code.visualstudio.com/license
Origin: flathub
Collection: org.flathub.Stable
Installation: system
Installed: 2.3 MB
Runtime: org.freedesktop.Sdk/x86_64/20.08
Sdk: org.freedesktop.Sdk/x86_64/20.08

Commit: 66f03a7af14b49e5cc1dfb6daccb7cd67131404e273ae9d9ba61a91940483d14
Parent: 65657b3d372b861e5e2bec202769287e44f7be6f405a0984109666e5e3a34189
Subject: add support for mimetype x-scheme-handler/vscode (520cb933)
Date: 2021-07-19 05:00:57 +0000

$ flatpak info --show-permissions com.visualstudio.code

[Context]
shared=network;ipc;
sockets=x11;pulseaudio;ssh-auth;
devices=all;
features=devel;
filesystems=home;host-etc;xdg-run/podman;xdg-config/kdeglobals:ro;host-os;host;

[Session Bus Policy]
org.freedesktop.Flatpak=talk
org.freedesktop.Notifications=talk
com.canonical.AppMenu.Registrar=talk
com.canonical.AppMenu.Registrar.*=talk
org.freedesktop.secrets=talk

[System Bus Policy]
org.freedesktop.login1=talk

[Environment]
LD_LIBRARY_PATH=/app/lib
NPM_CONFIG_GLOBALCONFIG=/app/etc/npmr

```