It's currently impossible to install Nginx and libnginx-mod-http-passenger at the same time as they depend on different versions of nginx-common:
$ sudo apt-get install nginx libnginx-mod-http-passenger
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libnginx-mod-http-passenger : Depends: nginx-common (= 1.14.0-0ubuntu1) but 1.14.0-0ubuntu1.1 is to be installed
E: Unable to correct problems, you have held broken packages.
$ cat /etc/apt/sources.list.d/phusionpassenger.list
deb "https://oss-binaries.phusionpassenger.com/apt/passenger" bionic main
deb-src "https://oss-binaries.phusionpassenger.com/apt/passenger" bionic main
It's currently impossible to install Nginx and
libnginx-mod-http-passenger
at the same time as they depend on different versions ofnginx-common
: