Intent
Create consistent configuration outputs for multiple environments.
When to use
- You manage many environments with similar config shapes.
- Manual edits lead to drift or mistakes.
- Config is derived from source data.
Core mechanics
- Define a data schema and templates.
- Render deterministic outputs.
- Validate and deploy generated configs.
Implementation checklist
- Define input data schema and defaults.
- Create templates with clear placeholders.
- Render configs deterministically and sort keys.
- Validate outputs against schema.
- Store outputs with versioning or diffs.
Failure modes and mitigations
- Template drift -> version templates and review changes.
- Missing data -> validate and fail fast.
- Unstable output -> ensure deterministic ordering.
Observability and validation
- Render logs and diff summaries.
- Config version and generation timestamps.
Artifacts
- Templates and data schema.
- Sample generated config outputs.
- Generation logs.