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Running a private container registry for testing

When I signed up for my DockerHub account in 2013, I never thought sooner than later everything ends up in a container image as it is today. DockerHub was the first public free as in free beer registry to distribute your container images. Containers are now everywhere, and DockerHub, a corporate entity running and funding DockerHub, introduced usage limits for the free tier and started commercializing its registry service. I need to play with software in a micro-service architecture on a platform like Kubernetes, and these limits can be daunting. Continue reading

Containers and Capabilities

2022-07-14 5 min read technology Ronny Trommer
I have to work with container images from time to time, and sometimes I need to do networking stuff. Of course, you want to do this as an unprivileged user. Especially when you mix and match with Docker or Kubernetes, it gets sometimes a bit tricky and a lot of people in our community including myself struggled on this part. To document it for my future-self and the ones interested – here is my scenario. Continue reading