| name | application-gateway-troubleshooting |
| description | Troubleshooting Application Gateway Problems |
This runbook helps troubleshoot common Application Gateway issues including 502 Bad Gateway errors.
Use kubectl to check if the Application Gateway pod is running:
kubectl get pods -n <namespace> | grep application-gateway
Review the Application Gateway error logs for any issues:
kubectl logs <application-gateway-pod> -n <namespace> --tail=100 | grep -i error
Check if the upstream services that Application Gateway proxies to are healthy:
kubectl get pods -n <application-gateway-pod> -l app=upstream-service
Verify the Application Gateway configuration is valid:
kubectl exec <application-gateway-pod> -n <namespace> -- appg -t
Ensure the Application Gateway has healthy endpoints:
kubectl get endpoints -n <namespace>
Based on findings:
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Use this skill when the user asks to "patch a CVE", "fix a CVE", "handle a CVE", "check a CVE", or discusses Docker image vulnerabilities, docker scout findings, or Go/dependency CVE remediation in the Dockerfile.