You can install the package with the command below, depending on your os:
$ yum install (see available packages in table below)
$ dnf install (see available packages in table below)

Passenger 4 (NGINX)

Launch, operate, optimize and protect web apps, microservices & APIs with a rock-solid, feature-rich web app server that just works.
Passenger 5 is available as a nginx module here.

Available Packages:

Package Version
ulyaoth-nginx-passenger4
ulyaoth-nginx-mainline-passenger4
4.0.59
4.0.59

Supported Operating Systems:

Operating Systems Versions
Amazon Linux latest
CentOS 6 (EPEL), 7
Fedora 19, 20, 21, 22, 23, 24, 25
Oracle Linux 6 (EPEL), 7
Red Hat 6 (EPEL), 7
Scientific Linux 6 (EPEL), 7

ulyaoth support