If you ever get in stuck building a Docker image with an error saying that a public key is not available, here’s the deal.
Prerequisites
- Docker
Solution
The case most likely is that you are using an older image version in your FROM Dockerfile section, so try to search through Docker Hub and find some newer version. It’s a good thing to check and upgrade your Docker images periodically mostly because of vulnerabilities.
Conclusion
In case you face any issues, feel free to leave a comment below and if you find this tutorial useful, follow our official channel on Telegram.
