nextcloud running in docker how to add ffmpeg?

[wieluk]

My nextcloud is running in a docker can anyone tell me how I add ffmpeg ? I am using portainer and mostly stacks(docker-compose files)

[akamicah]

First access the docker container using;

docker exec -it 'container name' bash
then;

apt-get update
apt-get install ffmpeg

[wieluk]

Thanks a lot