Healthcheck
container.healthcheck
Requires a HEALTHCHECK instruction in the final stage of multi-stage builds. Enables container orchestrators to detect and restart unhealthy containers.
Compatible Integrations
This guardrail works with the following integrations. Click to see how to use Healthcheck with each collector.
Enable This Guardrail
Add the parent policy to your lunar-config.yml to enable this guardrail.
policies:
- uses: github://earthly/lunar-lib/policies/container@v1.0.0
include: [healthcheck]
# with: ...How This Guardrail Works
This guardrail is part of the Container Guardrails policy. It evaluates data collected by integrations and produces a pass/fail check with actionable feedback.
When enabled, this check runs automatically on every PR and in AI coding workflows, providing real-time enforcement of your engineering standards.
Learn How Lunar Works →Configuration Options
These inputs can be configured in your lunar-config.yml to customize
how the parent policy (and this guardrail) behaves.
| Input | Required | Default | Description |
|---|---|---|---|
allowed_registries
|
Optional |
docker.io
|
Comma-separated list of allowed registries |
required_labels
|
Required | — | Comma-separated list of required labels (empty = no requirement) |
Container Guardrails
This guardrail is part of the Container Guardrails policy, which includes 6 guardrails for devex build and ci.
Ready to Automate Your Standards?
See how Lunar can turn your engineering wiki, compliance docs, or postmortem action items into automated guardrails with our 100+ built-in guardrails.
Infrastructure conventions
Post-mortem action items
Security & compliance policies
Testing & quality requirements