Third-party security services
Before we finish this chapter, we are going to take a look at some of the third-party services available to help you with the vulnerability assessment of your images.
Quay
Quay, an image registry by Red Hat, is similar to Docker Hub/Registry; one difference is that Quay actually performs a security scan of each image after it is pushed/built.
You can see the results of the scan by viewing the Repository Tags for your chosen image. Here you will see a column for Security Scan. As you can see in the following screenshot, in the example image that we created, there are no problems:
Clicking on Passed will take you to a more detailed breakdown of any vulnerabilities that have been detected within the image. As there are no vulnerabilities at the moment (which is a good thing), this screen does not tell us much. However, clicking on the Packages icon in the left-hand menu...