Install Nextcloud behind reverse proxy

Install

Keep attention to NEXTCLOUD_DATADIR as that will be the installation directory

sudo docker run \
--init \
--sig-proxy=false \
--name nextcloud-aio-mastercontainer \
--restart always \
--publish 8080:8080 \
--env APACHE_PORT=11000 \
--env APACHE_IP_BINDING=0.0.0.0 \
--env NEXTCLOUD_DATADIR=/mnt/nextcloud \
--volume nextcloud_aio_mastercontainer:/mnt/docker-aio-config \
--volume /var/run/docker.sock:/var/run/docker.sock:ro \
nextcloud/all-in-one:latest

Final steps

1. Download Custom CSS package

2. Add custom css:

.editor__content{ max-width:90% !important; }

Debug

sudo docker logs -f nextcloud-aio-mastercontainer