CE version 12.5.2 won't start; searched on specific errors in logs, no luck

Container is in restart loop; tried getting into container to assess, but since it won’t stay up I can’t get in.
Running Dockerized 12.5.2; tailing the log, I see the following:

suu-gitlab_1 | Compiling Cookbooks…
suu-gitlab_1 |
suu-gitlab_1 | ================================================================================
suu-gitlab_1 | Recipe Compile Error in /opt/gitlab/embedded/cookbooks/cache/cookbooks/gitlab/recipes/default.rb
suu-gitlab_1 | ================================================================================
suu-gitlab_1 |
suu-gitlab_1 | Mixlib::Config::UnknownConfigOptionError
suu-gitlab_1 | ----------------------------------------
suu-gitlab_1 | Cannot set unsupported config value ssl_certificate.
suu-gitlab_1 |
suu-gitlab_1 | Cookbook Trace:
suu-gitlab_1 | ---------------
suu-gitlab_1 | /opt/gitlab/embedded/cookbooks/cache/cookbooks/package/libraries/helpers/settings_helper.rb:116:in internal_set' suu-gitlab_1 | /opt/gitlab/embedded/cookbooks/cache/cookbooks/package/libraries/helpers/settings_helper.rb:105:in block in from_file’
suu-gitlab_1 | /opt/gitlab/embedded/cookbooks/cache/cookbooks/package/libraries/config_mash.rb:29:in auto_vivify' suu-gitlab_1 | /opt/gitlab/embedded/cookbooks/cache/cookbooks/package/libraries/helpers/settings_helper.rb:105:in from_file’
suu-gitlab_1 | /opt/gitlab/embedded/cookbooks/cache/cookbooks/gitlab/recipes/config.rb:22:in from_file' suu-gitlab_1 | /opt/gitlab/embedded/cookbooks/cache/cookbooks/gitlab/recipes/default.rb:26:in from_file’
suu-gitlab_1 |
suu-gitlab_1 | Relevant File Content:
suu-gitlab_1 | ----------------------
suu-gitlab_1 | /opt/gitlab/embedded/cookbooks/cache/cookbooks/package/libraries/helpers/settings_helper.rb:
suu-gitlab_1 |
suu-gitlab_1 | 109: end
suu-gitlab_1 | 110:
suu-gitlab_1 | 111: # Enhance set so strict mode errors aren’t thrown as long as the setting is witin our defined config
suu-gitlab_1 | 112: def internal_set(symbol, value)
suu-gitlab_1 | 113: if configuration.key?(symbol)
suu-gitlab_1 | 114: configuration[symbol] = value
suu-gitlab_1 | 115: else
suu-gitlab_1 | 116>> super
suu-gitlab_1 | 117: end
suu-gitlab_1 | 118: end
suu-gitlab_1 | 119:
suu-gitlab_1 | 120: # Enhance get so strict mode errors aren’t thrown as long as the setting is witin our defined config
suu-gitlab_1 | 121: def internal_get(symbol)
suu-gitlab_1 | 122: if configuration.key?(symbol)
suu-gitlab_1 | 123: configuration[symbol]
suu-gitlab_1 | 124: else
suu-gitlab_1 | 125: super
suu-gitlab_1 |
suu-gitlab_1 | System Info:
suu-gitlab_1 | ------------
suu-gitlab_1 | chef_version=14.13.11
suu-gitlab_1 | platform=ubuntu
suu-gitlab_1 | platform_version=16.04
suu-gitlab_1 | ruby=ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-linux]
suu-gitlab_1 | program_name=/opt/gitlab/embedded/bin/chef-client
suu-gitlab_1 | executable=/opt/gitlab/embedded/bin/chef-client
suu-gitlab_1 |
suu-gitlab_1 |
suu-gitlab_1 | Running handlers:
suu-gitlab_1 | There was an error running gitlab-ctl reconfigure:
suu-gitlab_1 |
suu-gitlab_1 | Cannot set unsupported config value ssl_certificate.
suu-gitlab_1 |
suu-gitlab_1 | Running handlers complete
suu-gitlab_1 | Chef Client failed. 0 resources updated in 02 seconds
suu-gitlab_1 | Thank you for using GitLab Docker Image!
suu-gitlab_1 | Current version: gitlab-ce=12.5.2-ce.0
suu-gitlab_1 |
suu-gitlab_1 | Configure GitLab for your system by editing /etc/gitlab/gitlab.rb file
suu-gitlab_1 | And restart this container to reload settings.
suu-gitlab_1 | To do it use docker exec:
suu-gitlab_1 |
suu-gitlab_1 | docker exec -it gitlab vim /etc/gitlab/gitlab.rb
suu-gitlab_1 | docker restart gitlab
suu-gitlab_1 |
suu-gitlab_1 | For a comprehensive list of configuration options please see the Omnibus GitLab readme
suu-gitlab_1 | README.md · master · GitLab.org / omnibus-gitlab · GitLab
suu-gitlab_1 |
suu-gitlab_1 | If this container fails to start due to permission problems try to fix it by executing:
suu-gitlab_1 |
suu-gitlab_1 | docker exec -it gitlab update-permissions
suu-gitlab_1 | docker restart gitlab
suu-gitlab_1 |
suu-gitlab_1 | Cleaning stale PIDs & sockets
suu-gitlab_1 | Preparing services…
suu-gitlab_1 | Starting services…
suu-gitlab_1 | Configuring GitLab…
suu-gitlab_1 | /opt/gitlab/embedded/bin/runsvdir-start: line 24: ulimit: pending signals: cannot modify limit: Operation not permitted
suu-gitlab_1 | /opt/gitlab/embedded/bin/runsvdir-start: line 37: /proc/sys/fs/file-max: Read-only file system
suu-gitlab_1 | Starting Chef Client, version 14.13.11
suu-gitlab_1 | resolving cookbooks for run list: [“gitlab”]
suu-gitlab_1 | Synchronizing Cookbooks:
suu-gitlab_1 | - redis (0.1.0)
suu-gitlab_1 | - mattermost (0.1.0)
suu-gitlab_1 | - consul (0.1.0)
suu-gitlab_1 | - postgresql (0.1.0)
suu-gitlab_1 | - letsencrypt (0.1.0)
suu-gitlab_1 | - runit (4.3.0)
suu-gitlab_1 | - monitoring (0.1.0)
suu-gitlab_1 | - crond (0.1.0)
suu-gitlab_1 | - gitlab (0.0.1)
suu-gitlab_1 | - acme (4.0.0)
suu-gitlab_1 | - praefect (0.1.0)
suu-gitlab_1 | - nginx (0.1.0)
suu-gitlab_1 | - package (0.1.0)
suu-gitlab_1 | - gitaly (0.1.0)
suu-gitlab_1 | - registry (0.1.0)
suu-gitlab_1 | Installing Cookbook Gems:
suu-gitlab_1 | Compiling Cookbooks…
suu-gitlab_1 |
suu-gitlab_1 | ================================================================================
suu-gitlab_1 | Recipe Compile Error in /opt/gitlab/embedded/cookbooks/cache/cookbooks/gitlab/recipes/default.rb