Last user should not be root

Docs > Datadog Security > Code Security > Static Code Analysis (SAST) > SAST Rules > Last user should not be root

Metadata

ID: docker-best-practices/no-root-user

Language: Docker

Severity: Warning

Category: Security

CWE: 250

Description

Do not use root as the last user because your container runs with the root user. Always use a user with lower privileges.

Non-Compliant Code Examples

CMD foo
USER plop
CMD plip
USER root

Compliant Code Examples

CMD foo
USER root
CMD plip
USER normaluser

How to use this rule

1
2
rulesets:
  - docker-best-practices     # Rules to enforce Docker best practices.

Create a static-analysis.datadog.yml with the content above at the root of your repository
Use our free IDE Plugins or add Code Security scans to your CI pipelines
Get feedback on your code

For more information, please read the Code Security documentation

VS Code Extension

Identify code vulnerabilities directly in your
VS Code editor

JetBrains Plugin

Identify code vulnerabilities directly in
JetBrains products