Signing container images: Comparing Sigstore, Notary, and Docker Content Trust

• cli

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  Snyk CLI scans and monitors your projects for security vulnerabilities. (by snyk)

  

For instance, Snyk is a developer security platform that prioritizes a seamless developer experience. It offers container image scanning capabilities, allowing users to identify known vulnerabilities in the packages included in their Docker image. This empowers users to proactively detect and address vulnerabilities before pushing the image to Docker Hub or any other registry, bolstering their overall security posture.

• hub-feedback

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  Feedback and bug reports for the Docker Hub

  

Now that you know a little more about Cosign, Notary, and DCT, we will take it one step further by using one of these tools: Cosign. For this example, we will use the simple Docker registry:2 reference image to run a simple registry. In a real-world scenario, a managed registry such as Harbor, Amazon ECR, Docker Hub, etc.

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• helm

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  The Kubernetes Package Manager

  

The choice of a winner depends on the specific requirements, priorities, and constraints of the organization or system you're working with. Sigstore is well-suited for organizations prioritizing secure and transparent software updates for various artifacts, including Helm charts, alongside images. It has great community support and features, such as interoperability between registries, making it a great choice for most organizations. Moreover, most container registries support the signing format.

• Harbor

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  An open source trusted cloud native registry project that stores, signs, and scans content.

  

Now that you know a little more about Cosign, Notary, and DCT, we will take it one step further by using one of these tools: Cosign. For this example, we will use the simple Docker registry:2 reference image to run a simple registry. In a real-world scenario, a managed registry such as Harbor, Amazon ECR, Docker Hub, etc.

• for-linux

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  Docker Engine for Linux

  

Docker: A tool for building, running, and managing Docker containers

• WorkOS

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