Docker Essential Training - 4 | Security

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This Series is a part of 30 Days of Learning.

This course is a tutorial series for the DCA exam using Docker EE. This Lesson deals with Security using Docker.

  • Docker Security
    • By default namespaces and control group define the control and security measures.
    • Security by MTLS in a docker swarm.
    • Secure Docker Trusted Registry by certificates.
    • Docker content trust: Docker notary signs DTR and enforces policy. Enabled as env variable as DOCKER_CONTENT_TRUST = 1.
    • Enabled in UCP and set to run the only image that is signed by docker content trust.
  • Configuring Docker Security.
    • Docker access control model (RBAC):
      • Subject: who are we talking about. ex: users
      • Roles: what can be done by the subject. ex: view
      • Resources: swarm collections
      • Grant: Combination of above as an ACL.
    • The docker access control can be done by UCP.
    • You can also use other certificates in DTR, UCP.
    • You can create a Security client bundle that includes security certificates and provide them to new users.
    • You can also configure LDAP using UCP.
    • You can scan your images using DTR via system-> security-> Image scanning

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