The __Host prefix mitigates cookie injection vulnerabilities within potential third-party software sharing the same second level domain.
This is one of the metrics used in the Nextcloud security scan.
The Dockerfile COPY filename was changed from uploadsize.conf to make it more generic in use.
Signed-off-by: danchal <danchal@users.noreply.github.com>
With two declared "environment" compose only takes the second one. In
thi case it means that the letsencrypt companion and reverse-proxy can't
read the neede variables for the setup, making this example to return a
http 503 error.