Container Registry Login accepts every PW and push failes with 404

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Summary

Trying to set up the Registry but I cannot push containers to it. It failes with and 404. I tried different ports but they also fail, timeout or get closed by peer. The ports are open on the firewall.

Also I found that the login accepts every PW (not just the correct one, e.g. root user).

Steps to reproduce

sudo docker login kubetest-gitlab.northeurope.cloudapp.azure.com
Username (root): 
Password: 
Login Succeeded
docker build -t kubetest-gitlab.northeurope.cloudapp.azure.com/root/dvctestproj .
docker push kubetest-gitlab.northeurope.cloudapp.azure.com/root/dvctestproj

Returns:

error parsing HTTP 404 response body: invalid character '<' looking for beginning of value: "<!DOCTYPE html>\n<html>\n<head>\n <meta content=\"width=device-width, initial-scale=1, maximum-scale=1\" name=\"viewport\">\n <title>The page you're looking for could not be found (404)</title>\n <style>\n body {\n color: #666;\n text-align: center;\n font-family: \"Helvetica Neue\", Helvetica, Arial, sans-serif;\n margin: auto;\n font-size: 14px;\n }\n\n h1 {\n font-size: 56px;\n line-height: 100px;\n font-weight: 400;\n color: #456;\n }\n\n h2 {\n font-size: 24px;\n color: #666;\n line-height: 1.5em;\n }\n\n h3 {\n color: #456;\n font-size: 20px;\n font-weight: 400;\n line-height: 28px;\n }\n\n hr {\n max-width: 800px;\n margin: 18px auto;\n border: 0;\n border-top: 1px solid #EEE;\n border-bottom: 1px solid white;\n }\n\n img {\n max-width: 40vw;\n display: block;\n margin: 40px auto;\n }\n\n a {\n line-height: 100px;\n font-weight: 400;\n color: #4A8BEE;\n font-size: 18px;\n text-decoration: none;\n }\n\n .container {\n margin: auto 20px;\n }\n\n .go-back {\n display: none;\n }\n\n </style>\n</head>\n\n<body>\n <a href=\"/\">\n <img src=\"data:image/svg+xml;base64,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\"\n alt=\"GitLab Logo\" />\n </a>\n <h1>\n 404\n </h1>\n <div class=\"container\">\n <h3>The page could not be found or you don't have permission to view it.</h3>\n <hr />\n <p>The resource that you are attempting to access does not exist or you don't have the necessary permissions to view it.</p>\n <p>Make sure the address is correct and that the page hasn't moved.</p>\n <p>Please contact your GitLab administrator if you think this is a mistake.</p>\n <a href=\"javascript:history.back()\" class=\"js-go-back go-back\">Go back</a>\n </div>\n <script>\n (function () {\n var goBack = document.querySelector('.js-go-back');\n\n if (history.length > 1) {\n goBack.style.display = 'inline';\n }\n })();\n </script>\n</body>\n</html>\n"

What is the current bug behavior?

Returns 404 and login basically doesn't work

What is the expected correct behavior?

Push container successfully and login to only accept the correct PW.

Relevant logs and/or screenshots

gitlab.rb:

################################################################################
## Container Registry settings
##! Docs: https://docs.gitlab.com/ce/administration/container_registry.html
################################################################################

registry_external_url 'https://kubetest-gitlab.northeurope.cloudapp.azure.com'

### Settings used by GitLab application
# gitlab_rails['registry_enabled'] = true
#gitlab_rails['registry_host'] = "kubetest-gitlab.northeurope.cloudapp.azure.com"
#gitlab_rails['registry_port'] = "5005"
# gitlab_rails['registry_path'] = "/var/opt/gitlab/gitlab-rails/shared/registry"

Results of GitLab environment info

System information
System:         Ubuntu 16.04
Current User:   git
Using RVM:      no
Ruby Version:   2.5.3p105
Gem Version:    2.7.6
Bundler Version:1.16.6
Rake Version:   12.3.1
Redis Version:  3.2.12
Git Version:    2.18.1
Sidekiq Version:5.2.3
Go Version:     unknown

GitLab information
Version:        11.6.5
Revision:       237bddc
Directory:      /opt/gitlab/embedded/service/gitlab-rails
DB Adapter:     postgresql
URL:            https://kubetest-gitlab.northeurope.cloudapp.azure.com
HTTP Clone URL: https://kubetest-gitlab.northeurope.cloudapp.azure.com/some-group/some-project.git
SSH Clone URL:  git@kubetest-gitlab.northeurope.cloudapp.azure.com:some-group/some-project.git
Using LDAP:     no
Using Omniauth: yes
Omniauth Providers: 

GitLab Shell
Version:        8.4.3
Repository storage paths:
- default:      /var/opt/gitlab/git-data/repositories
Hooks:          /opt/gitlab/embedded/service/gitlab-shell/hooks
Git:            /opt/gitlab/embedded/bin/git

Results of GitLab application Check

Checking GitLab subtasks ...

Checking GitLab Shell ...

GitLab Shell: ... GitLab Shell version >= 8.4.3 ? ... OK (8.4.3)
Running /opt/gitlab/embedded/service/gitlab-shell/bin/check
Check GitLab API access: OK
Redis available via internal API: OK

Access to /var/opt/gitlab/.ssh/authorized_keys: OK
gitlab-shell self-check successful

Checking GitLab Shell ... Finished

Checking Gitaly ...

Gitaly: ... default ... OK

Checking Gitaly ... Finished

Checking Sidekiq ...

Sidekiq: ... Running? ... yes
Number of Sidekiq processes ... 1

Checking Sidekiq ... Finished

Checking Incoming Email ...

Incoming Email: ... Reply by email is disabled in config/gitlab.yml

Checking Incoming Email ... Finished

Checking LDAP ...

LDAP: ... LDAP is disabled in config/gitlab.yml

Checking LDAP ... Finished

Checking GitLab App ...

Git configured correctly? ... yes
Database config exists? ... yes
All migrations up? ... yes
Database contains orphaned GroupMembers? ... no
GitLab config exists? ... yes
GitLab config up to date? ... yes
Log directory writable? ... yes
Tmp directory writable? ... yes
Uploads directory exists? ... yes
Uploads directory has correct permissions? ... yes
Uploads directory tmp has correct permissions? ... skipped (no tmp uploads folder yet)
Init script exists? ... skipped (omnibus-gitlab has no init script)
Init script up-to-date? ... skipped (omnibus-gitlab has no init script)
Projects have namespace: ... 
1/1 ... yes
Redis version >= 2.8.0? ... yes
Ruby version >= 2.3.5 ? ... yes (2.5.3)
Git version >= 2.18.0 ? ... yes (2.18.1)
Git user has default SSH configuration? ... yes
Active users: ... 1

Checking GitLab App ... Finished


Checking GitLab subtasks ... Finished

Thank you very much!

Edited by 🤖 GitLab Bot 🤖