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Docker tips: enable DOCKER_CONTENT_TRUST

May 27, 2023 · 1 min read · Post a comment

Docker Content Trust (DCT) is a Docker security feature introduced to provide an additional layer of verification and trust for container images. It ensures the integrity and authenticity of Docker images by enabling digital signing and verification of image publishers. Here’s how to enable it.

Prerequisites

  • Docker

Solution

By default, DCT is disabled. You can enable it by setting the env variable to 1:

export DOCKER_CONTENT_TRUST=1

Conclusion

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