Posts in 2018

  • Gardener Cookies

    Tuesday, December 25, 2018 in 2018

    Green Tea Matcha Cookies For a team event during the Christmas season we decided to completely reinterpret the topic cookies. :-) Matcha cookies have the delicate flavor and color of green tea. These soft, pillowy and chewy green tea cookies are …

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  • Cookies Are Dangerous...

    Saturday, December 22, 2018 in 2018

    …they mess up the figure. For a team event during the Christmas season we decided to completely reinterpret the topic cookies… since the vegetables have gone on a well-deserved vacation. :-) Get recipe on Gardener Cookies.

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  • Hibernate a Cluster to Save Money

    Wednesday, July 11, 2018 in 2018

    You want to experiment with Kubernetes or have set up a customer scenario, but you don’t want to run the cluster 24 / 7 for reasons of cost? ![](./images/teaser_patched 1.svg) The Gardener gives you the possibility to scale your cluster down to …

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  • Watching Logs of Several Pods

    Monday, June 11, 2018 in 2018

    One thing that always bothered me was that I couldn’t get logs of several pods at once with kubectl. A simple tail -f <path-to-logfile> isn’t possible. Certainly you can use kubectl logs -f <pod-id>, but it doesn’t help …

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  • Shared Storage with S3 Backend

    Monday, June 11, 2018 in 2018

    The storage is definitely the most complex and important part of an application setup, once this part is completed, one of the most problematic parts could be solved. Mounting a S3 bucket into a pod using FUSE allows to access data stored in S3 via …

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  • ReadWriteMany - Dynamically Provisioned Persistent Volumes Using Amazon EFS

    Monday, June 11, 2018 in 2018

    The efs-provisioner allows you to mount EFS storage as PersistentVolumes in kubernetes. It consists of a container that has access to an AWS EFS resource. The container reads a configmap containing the EFS filesystem ID, the AWS region and the name …

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  • Namespace Scope

    Monday, June 11, 2018 in 2018

    Should I use: ❌ one namespace per user/developer? ❌ one namespace per team? ❌ one per service type? ❌ one namespace per application type? 😄 one namespace per running instance of your application? Apply the Principle of Least Privilege All user …

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  • Namespace Isolation

    Monday, June 11, 2018 in 2018

    …or DENY all traffic from other namespaces You can configure a NetworkPolicy to deny all traffic from other namespaces while allowing all traffic coming from the same namespace the pod is deployed to. There are many reasons why you may chose …

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  • Kubernetes is Available in Docker for Mac 17.12 CE

    Monday, June 11, 2018 in 2018

    Kubernetes is only available in Docker for Mac 17.12 CE and higher on the Edge channel. Kubernetes support is not included in Docker for Mac Stable releases. To find out more about Stable and Edge channels and how to switch between them, see …

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  • Hardening the Gardener Community Setup

    Monday, June 11, 2018 in 2018

    The Gardener project team has analyzed the impact of the Gardener CVE-2018-2475 and the Kubernetes CVE-2018-1002105 on the Gardener Community Setup. Following some recommendations it is possible to mitigate both vulnerabilities. Read more on …

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