I had written a long rant/explanation about how I still could not get this working when I pasted the error below and figured it out… I did not have fpm installed. D/l’d that and all is well now - THANK YOU!
nging/error.log shows:
2020/06/04 00:51:36 [crit] 3568#3568: *1322 connect() to unix:/run/php/php7.2-fpm.sock failed (2: No such file or directory) while connecting to upstream, client: 192.168.20.191, server: site1.local, request: "GET /phpmyadmin/ HTTP/1.1", upstream: "fastcgi://unix:/run/php/php7.2-fpm.sock:", host: "192.168.30.61"