--- since: 1.2.1 --- # Runbook — System Doctor DjangoPlay CLI provides: ```bash dplay system doctor ``` Use it as a first-line environment diagnostic. ## Typical Areas A healthy environment should have: ```text Python / virtualenv configuration settings resolution database connectivity Redis connectivity required secrets filesystem paths frontend prerequisites ``` ## After Remediation Run the doctor again, then perform the application-specific health check. Do not treat a passing diagnostic as proof that business workflows are correct.