Runtime Configuration
147 incident problems about Runtime Configuration. Start with the reviewed ones.
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All problems (147)
CICD-1351A Docker Compose rollout recreates one service and the dependency never recoversA team cleans up service names in compose and later one app starts timing out on internal dependencies despite all containers reporting healthy.CI/CDIntermediate13 minProK8S-1346A Grafana Agent DaemonSet scrapes node metrics and one node is blankA relabel refactor centralizes monitoring configs and later only one node class disappears from dashboards while scrape targets remain up.KubernetesIntermediate13 minProLINUX-1331A netplan change looks valid and the host still boots without networkA refreshed Ubuntu image is rolled out and only new instances lose network while the same config works on existing hosts.LinuxIntermediate13 minProK8S-1302A postStart hook was used as a startup gate and traffic arrives too earlyA team hides bootstrap steps inside a lifecycle hook and later sees early requests fail despite no pod crash.KubernetesIntermediate13 minProK8S-1352A Prometheus scrape target stays downA monitoring refactor centralizes manifests and later one application's metrics vanish despite healthy endpoints and valid PodMonitor syntax.KubernetesIntermediate13 minProCICD-1313A reusable workflow publishes one package and skips anotherA monorepo release job uses a shared workflow and later only certain packages stop publishing without a top-level workflow crash.CI/CDIntermediate13 minProK8S-1358A service mesh sidecar rollout appears safe and readiness flapsA sidecar injection rollout is enabled and later pods begin failing readiness despite healthy application logs.KubernetesIntermediate13 minProK8S-1332A ServiceMonitor appears valid and Prometheus still scrapes nothingA ServiceMonitor appears valid and Prometheus still scrapes nothing focuses on runtime-configuration and asks the reader to isolate the key signal in Kubernetes. Prometheus can miss perfectly valid monitor objects if they moved outside the...KubernetesIntermediate13 minProLINUX-1305A systemd oneshot generates an environment file after the main service already startedA host generates runtime config through a helper unit and the main service intermittently starts with blank values after reboot.LinuxIntermediate13 minProLINUX-1321A systemd PathUnit stops triggering after a release process moves from in-place writes to symlink swaps for current release selectionThe watched path appears to change, yet the unit never fires because the update method changed from file modification to symlink target replacement.LinuxIntermediate13 minProK8S-1294A custom metrics HPA reads values successfully but never scalesA workload is migrated between namespaces and autoscaling appears frozen even though the metric backend is healthy.KubernetesIntermediate14 minProLINUX-1276A service starts under systemd but still reads the wrong configurationA service launches successfully but points at the wrong path or endpoint only when started by systemd.LinuxIntermediate14 minProK8S-1300A sidecar log shipper silently drops linesA logging change lands and one workload begins losing the first or last lines around every rotation event.KubernetesIntermediate14 minProK8S-1344A StatefulSet pod comes up and fails readinessA StatefulSet pod comes up and fails readiness focuses on runtime-configuration and asks the reader to isolate the key signal in Kubernetes. Stateful recovery can fail on identity artifacts even when the raw data volume is fine.KubernetesIntermediate14 minProLINUX-1295A websocket reverse proxy works until reloadA proxy reload appears harmless and long-lived websocket sessions begin failing only on one path afterward.LinuxIntermediate14 minProCICD-1286A workflow succeeds in one branch but fails in anotherA generated certificate, JSON blob, or changelog is written to GITHUB_ENV and only some branches or shells later consume a broken value.CI/CDIntermediate14 minProK8S-1288An HPA sees CPU correctly but still never scalesAn application chart is refactored, CPU spikes are visible, and the HPA appears idle without errors.KubernetesIntermediate14 minProLINUX-1315An rsync deploy appears complete and a stale binary keeps runningA classic release-symlink deploy pattern works until one service keeps using stale assets even after a restart.LinuxIntermediate14 minProCICD-1301Docker Compose watch shows successful sync events but nested route handlers never reloadA team adopts docker compose watch for faster local verification and later finds only some deep application routes refuse to reload.CI/CDIntermediate14 minProK8S-1228A ConfigMap key exists but the app still crashesAn application restart was skipped because the team expected the mounted config file to update in place after a ConfigMap edit.KubernetesIntermediate17 minPro