Do not use multiple HEALTHCHECK

Docs > Code Analysis > Static Analysis Rules > Do not use multiple HEALTHCHECK

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Metadata

ID: docker-best-practices/multiple-healthcheck

Language: Docker

Severity: Notice

Category: Best Practices

Description

A Dockerfile with multiple HEALTHCHECK instructions is confusing. A container should only have one HEALTHCHECK instruction.

Non-Compliant Code Examples

HEALTHCHECK CMD foo
HEALTHCHECK CMD bar

Compliant Code Examples

HEALTHCHECK CMD foo

How to use this rule

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

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