basic_rules.yaml

---
  profile:
    name: "Default"
    description: "Default Profile. Checks basic syntax."
  line_rules: 
    FROM: 
      paramSyntaxRegex: /^[a-z0-9./-]+(:[a-z0-9.]+)?$/
      rules: 
        - 
          label: "is_latest_tag"
          regex: /latest/
          level: "error"
          message: "base image uses 'latest' tag"
          description: "using the 'latest' tag may cause unpredictable builds. It is recommended that a specific tag is used in the FROM line or *-released which is the latest supported release."
          reference_url: 
            - "https://docs.docker.com/reference/builder/"
            - "#from"