The regular build instructions for Perl were a wash for me: http://unit.nginx.org/installation/. My guess is that something about the darwin verison of Perl I have made it impossible for the configure to find/use and I didn't want to mess with it or try to perlbrew it to see if worked better.

This, however, seems to install fine and easily: https://github.com/skaji/nginx-unit-example-perl. I'm not going to mess around more tonight but the following got it together in a standalone dir.

git clone git@github.com:skaji/nginx-unit-example-perl.git
cd nginx-unit-example-perl/
./build.sh
#    perl 5.26.1 to ./perl/bin/perl
#    nginx unit to ./unit/build/unitd
/unit/build/unitd --modules ./unit/build --no-daemon
# ...
2019/02/23 00:41:35 [info] 85210#15065386 unit started
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Thanks! I got it to work on CentOS7. Here are my steps:



sudo su -
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Create /etc/yum.repos.d/unit.repo:

[unit]
name=unit repo
baseurl=https://packages.nginx.org/unit/centos/$releasever/$basearch/
gpgcheck=0
enabled=1
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Install unit and unit-perl

yum install -y unit unit-perl
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In /etc/unit/ create two files:

start.json

{
   "type": "perl",
   "processes": 5,
   "script": "/etc/unit/app.psgi"
}
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app.psgi

use strict;
use warnings;
use Plack::Builder;

my $app = sub {
    my $env = shift;
    [200, [], ["Hello world from PSGI!\n"]];
};

builder {
    enable 'ContentLength';
    $app;
};
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Then start unit:

service unit start
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Configure unit using the following commands:

curl -X PUT --data-binary @/etc/unit/start.json --unix-socket /var/run
+/control.unit.sock http://localhost/config/applications/psgiapp
curl -X PUT --data-binary '{"application":"psgiapp"}' --unix-socket /v
+ar/run/control.unit.sock 'http://localhost/config/listeners/*:8000'
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.. and check the resulting config:

curl --unix-socket /var/run/control.unit.sock http://localhost/
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... and finally do the Hello World test:

curl -v http://127.0.0.1:8000/
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Voila!

The question is now, how do you get a Mojolicious::Lite app to work ?

No, but I've been curious. I would have tried but I've got a config + uWSGI skeleton that has served me fine for a long time. If you don't get an answer in a day or two I’ll give it a shot.