Install Error with 2.0.0 Alpha 1

I am attempting to install IP v2.0.0 Alpha 1 on and have created an empty database, and I switched my PHP version to 7.2 FastCGI. I’m attempting to install this on a subdomain ( and a Let’s Encrypt SSL certificate.

I am able to install v1.5.9 with no problem, but when I install v2.0.0 Alpha 1, I get the following error after I click on the continue button for the third time:

{"exception":"SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known (SQL: select count(*) as aggregate from `users`)"}

It redirects to this URL:

Means that the host is incorrect or not reachable from the server. Please check the connection settings.

For the server, I have and that is the problem. After changing my server to just, it installs properly. Apologies for my ignorance.

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