Docker push to Gilab registry Self Signed Certs problem

How to Use GitLab Self-managed
1

Hi,I’m running GitLab with docker registry, now when I’m tryng to push image I’ve this error:
x509: certificate relies on legacy Common Name field, use SANs or temporarily enable Common Name matching with GODEBUG=x509ignoreCN=0

I’ve set GODEBUG=x509ignoreCN=0 in /etc/environment but no fix.

Can you helpme?
Thank you
Regards

2

Hi @Uzzi
if you are using self-signed certificate can’t you just generate a new one with SAN a use that for GitLab server?
You can also try to run GODEBUG=x509ignoreCN=0 docker pull ...

3

GODEBUG=x509ignoreCN=0 docker push—> same error

4

Then use proper certificates with SAN to avoid the error.

5

You can also do the following. In /usr/lib/systemd/system/docker.service, add the following to [Service]
Environment=GODEBUG=x509ignoreCN=0

and reload/restart docker. You can also probably properly create /etc/systemd/system/docker.service.d/env.conf and put the following in a [Service] heading as well.

For non-systemd, just make sure that the above env var is set before starting docker.