# Review Dockerfile and Environment Configuration Before Release

Review Dockerfile findings, validate image references, expose duplicate environment keys and explain staging-to-production drift in one container release record.

> Canonical page: https://elysiatools.com/en/hubs/container-release-dockerfile-and-env-review

- **Keywords:** Dockerfile release checklist, container environment review, Docker image reference validation, dotenv duplicate keys, staging production configuration diff

## Frequently asked questions

### Does the linter run a Docker build?

No. It performs static analysis without a Docker daemon. Build success and runtime behavior must be tested separately.

### Does a valid image reference prove that I can pull it?

No. The check is about format; registry access, existence, identity and architecture need deployment-side verification.

### Should staging and production have identical values?

No. Expected endpoints or flags may differ; required keys and the reason for each difference must be documented.

### Does masking the diff make it safe to paste production secrets?

No. Sanitize inputs before sharing. Output masking does not remove secret data from the original request.

## Related content

- [Environment and Configuration Format Workflow](https://elysiatools.com/en/hubs/config-workflows): Inspect, validate, convert, merge, and diff configuration without exposing secrets or losing the source of truth.
- [Network Infrastructure Identifier Format Checks](https://elysiatools.com/en/hubs/network-infrastructure-identifier-format-checks): Check IPv4 and IPv6 addresses, CIDR values, MAC addresses, AWS ARNs, and Docker image references before downstream processing, while keeping format evidence separate from reachability, ownership, permissions, and image availability.
- [PII Detection and Log Redaction Review](https://elysiatools.com/en/hubs/pii-log-redaction): Find likely personal data in logs, text, and PDFs, redact review copies, validate identifier patterns, and require human approval before sharing.