Install The Container Manager

this will install a docker container that manages sub containers. 

sudo docker run \
--init \
--sig-proxy=false \
--name nextcloud-aio-mastercontainer \
--restart always \
--publish 8085:8080 \
--env APACHE_PORT=11000 \
--env APACHE_IP_BINDING=0.0.0.0 \
--env APACHE_ADDITIONAL_NETWORK="" \
--env SKIP_DOMAIN_VALIDATION=true \
--volume nextcloud_aio_mastercontainer:/mnt/docker-aio-config \
--volume /var/run/docker.sock:/var/run/docker.sock:ro \
nextcloud/all-in-one:latest

Login To The Container Manager

 https://localhost:8085 

How to Find the AIO Passphrase

sudo docker exec nextcloud-aio-mastercontainer grep password /mnt/docker-aio-config/data/configuration.json

Install the Latest Version of Nextcloud from this container.

Once Nextcloud is installed you will be able to get the admin password from the Container Manager, However you may not be able to able to access the Container Manager if Nextcloud is running. First stop the Nextcloud Containers to get the password.

sudo docker stop nextcloud-aio-apache

Setup Reverse Proxy

Scheme: http
Block Common Exploits: true
Port: 11000
Web Socket Support: true
Force HTTPS: True
Http/2 Support: True

// Custom Config 
client_body_buffer_size 512k;
proxy_read_timeout 86400s;
client_max_body_size 0;

Helpfull Links:

https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md#2-use-this-startup-command

https://github.com/nextcloud/all-in-one/discussions/1786