1. Download from Mozilla Addons

1. Go to extension preferences
2. Configure endpoint from the server
3. Add emails/passwords to the preferences
4. Press save
5. Click on the extension This will spawn the same number of tabs as there are emails/passwords
6. Wait for it to load
7. Complete the captcha and press continue (email/password autofills)
8. After that, it will autofill the password and continue to the chat site.

Done. It connects to the endpoint and you can leave it open.

version: '3.3'
services:
    firefox:
        container_name: firefox
        ports:
            - '5800:5800'
        volumes:
            - '<host folder path>:/config:rw'
        image: jlesage/firefox

1. create a folder that will contain the app data for firefox
2. access container via <ip-address>:5800 and finish the firefox setup
3. procceed to follow step 1 in Setup section
4. now follow steps in Running section

In order to develop locally you need to use guide provided by Mozilla: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Your_first_WebExtension#trying_it_out and follow next steps:

1. Clone this repository
2. Go to about:debugging in Firefox
3. Specify this directory as a temporary extension
4. It will be loaded on top of the existing extension if you have one
5. You can debug your new feature.