[INFO] No .env file found.
[WARNING] The following environment variables are being overriden by the config file,
[WARNING] please use the admin panel to make changes to them:
[WARNING] DOMAIN, SIGNUPS_ALLOWED, ADMIN_TOKEN, SMTP_HOST, SMTP_PORT, SMTP_FROM, SMTP_FROM_NAME, SMTP_USERNAME, SMTP_PASSWORD
[2021-01-15 02:30:51.231][start][INFO] Rocket has launched from http://0.0.0.0:80
[2021-01-15 02:30:51.232][parity_ws][INFO] Listening for new connections on 0.0.0.0:3012.
[2021-01-15 02:30:54.461][request][INFO] GET /admin
[2021-01-15 02:30:54.462][response][INFO] GET /admin [2] (admin_login) => 200 OK
The latter two lines come from accessing the admin page with http at port 5080.
My usual VPS was actually my intended eventual target! I have 2 months free from Digital Ocean through Destination Linux and wanted to get it working there first.
My apache config looks pretty much the same as yours with the exception that you are missing the ProxyPassReverse line. Mine is right below the ProxyPass line as below: