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I have an nginx config which starts as follows

load_module modules/ndk_http_module.so;
load_module modules/ngx_http_set_misc_module.so;
load_module modules/ngx_http_headers_more_filter_module.so;
load_module modules/ngx_http_cache_purge_module.so;

When I use the following Dockerfile:

FROM nginx:mainline

ADD config/ /etc/nginx/
EXPOSE 80
EXPOSE 443

I get the following error when I try to run the container:

2024/01/22 19:52:07 [emerg] 8#8: dlopen() "/etc/nginx/modules/ndk_http_module.so" failed (/etc/nginx/modules/ndk_http_module.so: cannot open shared object file: No such file or directory) in /etc/nginx/nginx.conf:1
webserver  | nginx: [emerg] dlopen() "/etc/nginx/modules/ndk_http_module.so" failed (/etc/nginx/modules/ndk_http_module.so: cannot open shared object file: No such file or directory) in /etc/nginx/nginx.conf:1

So, the modules are not present. My question is, how can I enable them? I found this post, which installs the modules as follows

$> sudo apt install software-properties-common
$> nginx=stable 
$> sudo add-apt-repository ppa:nginx/$nginx
$> sudo apt update
$> sudo apt dist-upgrade

$> sudo apt install nginx-extras

However, the command sudo add-apt-repository ppa:nginx/$nginx throws errors

17.78 Setting up packagekit-tools (1.2.6-5) ...
17.79 Setting up software-properties-common (0.99.30-4) ...
17.90 Processing triggers for dbus (1.14.10-1~deb12u1) ...
18.15 Traceback (most recent call last):
18.15   File "/usr/bin/add-apt-repository", line 362, in <module>
18.15     sys.exit(0 if addaptrepo.main() else 1)
18.15                   ^^^^^^^^^^^^^^^^^
18.15   File "/usr/bin/add-apt-repository", line 345, in main
18.15     shortcut = handler(source, **shortcut_params)
18.15                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
18.15   File "/usr/lib/python3/dist-packages/softwareproperties/shortcuts.py", line 40, in shortcut_handler
18.15     return handler(shortcut, **kwargs)
18.15            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
18.15   File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 86, in __init__
18.15     if self.lpppa.publish_debug_symbols:
18.15        ^^^^^^^^^^
18.15   File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 126, in lpppa
18.15     self._lpppa = self.lpteam.getPPAByName(name=self.ppaname)
18.15                   ^^^^^^^^^^^
18.15   File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 113, in lpteam
18.15     self._lpteam = self.lp.people(self.teamname)
18.15                    ^^^^^^^^^^^^^^
18.15 AttributeError: 'NoneType' object has no attribute 'people'

I'm a bit lost at this point on how to install the nginx modules?

Jeanluca Scaljeri
  • 113

1 Answers1

1

If we search for that error message (AttributeError: 'NoneType' object has no attribute 'people'), we find as the first result this question. The top voted answer suggests that the solution is:

apt-get install python3-launchpadlib

And indeed, that lets us run add-apt-repository:

$ podman run -it --rm docker.io/nginx:mainline bash
root@744ec39923cd:/# apt update >& /dev/null
root@744ec39923cd:/# apt -y install software-properties-common >& /dev/null
root@744ec39923cd:/# add-apt-repository ppa:nginx/stable
Traceback (most recent call last):
  .
  .
  .
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 113, in lpteam
    self._lpteam = self.lp.people(self.teamname)
                   ^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'people'
root@744ec39923cd:/# apt -y install python3-launchpadlib >& /dev/null
root@744ec39923cd:/# add-apt-repository ppa:nginx/stable
Repository: 'deb https://ppa.launchpadcontent.net/nginx/stable/ubuntu/ bookworm main'
Description:
This PPA contains the latest Stable Release version of the nginx web server software.

Only Non-End-of-Life Ubuntu Releases are supported in this PPA


Development releases of Ubuntu are not officially supported by this PPA, and uploads for those will not be available until actual final releases for those versions
More info: https://launchpad.net/~nginx/+archive/ubuntu/stable
Adding repository.
Press [ENTER] to continue or Ctrl-c to cancel.
Adding deb entry to /etc/apt/sources.list.d/nginx-ubuntu-stable-bookworm.list
Adding disabled deb-src entry to /etc/apt/sources.list.d/nginx-ubuntu-stable-bookworm.list
Adding key to /etc/apt/trusted.gpg.d/nginx-ubuntu-stable.gpg with fingerprint 8B3981E7A6852F782CC4951600A6F0A3C300EE8C
Hit:1 http://deb.debian.org/debian bookworm InRelease
Hit:2 http://deb.debian.org/debian bookworm-updates InRelease
Hit:3 http://deb.debian.org/debian-security bookworm-security InRelease
Get:4 http://deb.debian.org/debian bookworm/main amd64 DEP-11 Metadata [4492 kB]
Fetched 4492 kB in 1s (4458 kB/s)
Reading package lists... Done

But that ultimately fails, because the referenced ppa only has packages for Ubuntu; there are no packages for the Debian Bookworm based image used by the nginx:stable image.

Furthermore, that PPA only supports Ubuntu versions up to Bionic (18.04), which was released in 2018.

This answer has instructions for extending the base image with the nginx dynamic modules.

Depending on your needs, it may be simpler to start with a recent Ubuntu-based image. Nginx and most of the modules are already packaged for Ubuntu, so something like this would get you most of the way there:

FROM ubuntu:23.04

RUN apt update && apt -y install 

  nginx 

  libnginx-mod-http-ndk 

  libnginx-mod-http-headers-more-filter 

  libnginx-mod-http-cache-purge 

  && 

  apt clean all

That gets you everything except ngx_http_set_misc_module.so.

larsks
  • 47,453