I moved to yourls now that MySQL is up and running.
I think the connection to MySQL is ok.
Now when I try to access yourls
192.168.8.70:8765/admin
I get a “too many redirects...” message on the browser page. It seems that it goes on a loop of redirects before the browser terminates it.

On yourls log I have the following (which I believe where the problem is), followed by all the redirects before it terminates.
I think the connection to MySQL is ok.
Now when I try to access yourls
192.168.8.70:8765/admin
I get a “too many redirects...” message on the browser page. It seems that it goes on a loop of redirects before the browser terminates it.

On yourls log I have the following (which I believe where the problem is), followed by all the redirects before it terminates.
[autoindex:error] [pid 26] [client 172.17.0.1:50520] AH01276: Cannot serve directory /var/www/html/: No matching DirectoryIndex (index.php,index.html) found, and server-generated directory index forbidden by Options directive