Install Jitsi Meet using the below link
Go to the docker-jitsi-meet directory and run the below command
docker-compose exec web /bin/bash
apt install wget
wget https://url-of-jitsi-meet-web-deb-file/jitsi-meet-web_all.deb
dpkg -i jitsi-meet-web_all.deb
Edit above path and file name as in your case. If you want to create your own deb file, please check the link
Edit file using below command
nano ~/.jitsi-meet-cfg/web/config.js
Below setting used to increase audio and less use of CPU from the browser side
disableAudioLevels: true,
If you want direct to join the meeting and remove the pre-join screen, use the below setting
prejoinPageEnabled: false,
If you want to remove auto-copy for URL, use the below setting
enableAutomaticUrlCopy: false,
If you want to show the last active N number of user video only, you put channelLastN: N, e.g. show the last 4 user videos like below
channelLastN: 4,
Save the file.