Cannot run iQvoc built from Dockerfile - no nokogiri or mini_portile

[EwaSniegowskaPCSS]

Hi.
I build the newest codebase using the provided Dockerfile. When I run the app from docker-compose I get an error:

iqvoc-web-1  | /usr/local/bundle/gems/bundler-2.4.6/lib/bundler/definition.rb:524:in `materialize':
Could not find nokogiri-1.14.1, mini_portile2-2.8.1 in locally installed gems (Bundler::GemNotFound)

I tried adding

RUN bundle lock --add-platform x86_64-linux

into Dockerfile, following: https://stackoverflow.com/questions/66308227/could-not-find-nokogiri-1-11-1-in-any-of-the-sources-while-deploying-a-heroku-ap
but the result is the same.

Can you reproduce this error?
I used the following code version: d453a44
but the problem persists since few commits.

[EwaSniegowskaPCSS]

I updated the Dockerfile with newer Ruby version:
FROM ruby:2.7

but I'm getting another runtime error:

iqvoc-web-1  | /bundle/ruby/2.7.0/gems/delayed_job-4.1.10/lib/delayed/command.rb:5:in `rescue in <main>':
You need to add gem 'daemons' to your Gemfile if you wish to use it. (RuntimeError)`