1 . copy db.env.dist into db.env and fill the follow fields
MYSQL_ROOT_PASSWORD=
MYSQL_PASSWORD=
MYSQL_DATABASE=nextcloud
MYSQL_USER=nextcloud
2 . copy web.env.dist into web.env and fill the follow fields
VIRTUAL_HOST=
LETSENCRYPT_HOST=
LETSENCRYPT_EMAIL=
3 . run the follow command:
docker-compose up -d
4 . You are done!