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running docker-compose up results in ✘ nginx-proxy-manager Error Get "https://registry-1.docker.io/v2/": tls: failed to verify...

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After configuring the yml file, and running docker-compose up, it starts to download the apps, but this message appears and halts everything...

✘ nginx-proxy-manager Error Get "https://registry-1.docker.io/v2/": tls: failed to verify...    

 

How do I fix this?

  • Community Expert

90% of the time this is a dns issue...

Sometimes the docker login command is needed. As somethimes a image pull is called but not targted anywhere.


The error tls: failed to verify during a docker-compose up usually indicates an issue with SSL/TLS certificate validation. This can happen due to a variety of reasons, including outdated CA certificates, network misconfigurations, or issues with Docker itself. Here’s how to troubleshoot and resolve the issue:

 

1. Verify Network Connectivity

Ensure your server can access Docker's registry:

Test connectivity to the Docker registry:

curl -v https://registry-1.docker.io/v2/

If it succeeds, you'll see a 401 Unauthorized response (expected behavior for unauthenticated requests).

If it fails, troubleshoot network connectivity or DNS issues.

 

nslookup registry-1.docker.io


Double check date time as well...
https://docs.docker.com/reference/cli/docker/login/

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