Build container images in Kubernetes and Google Container Builder without privileges

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Google Cloud

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Building images from a standard Dockerfile typically relies upon interactive access to a Docker daemon, which requires root access on your machine to run. This can make it difficult to build container images in environments that can’t easily or securely expose their Docker daemons, such as Kubernetes clusters (for more about this, check out the 16th oldest open Kubernetes issue.

To overcome these challenges, we’re excited to introduce kaniko, an open-source tool for building container images from a Dockerfile even without privileged root access. With kaniko, we both build an image from a Dockerfile and push it to a registry. Since it doesn’t require any special privileges or permissions, you can run kaniko in a standard Kubernetes cluster, Google Kubernetes Engine, or in any environment that can’t have access to privileges or a Docker daemon.

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