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Backups
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ArchitectureHelm charts and their disks: what is left after helm uninstall
A Helm chart often brings its own disks, for example for the database bundled in the chart. Some disappear on uninstall, data and all, others stay around forever. You want to know which before you start.
- Volumes
- Backups
- Kubernetes
OperationsRollbacks on Kubernetes: why a tag is not a version
A rollback that pulls the same tag again brings back the broken version. If you want to roll back reliably, you need the digest of every deployment, and a plan for the database.
- CI/CD
- Kubernetes
- Backups
ArchitecturePersistent volumes on Kubernetes: ReadWriteOnce, Recreate and the snapshot before deletion
A rolling update with a volume is a deadlock waiting to happen. And deleting a volume from the manifest is data loss waiting to happen. Five rules that prevent both.
- Volumes
- Kubernetes
- Backups
SecurityCustomer offboarding: why every drop needs a dump first
Deleting is easy, restoring is impossible. Offboarding needs a fixed order: back up, verify, then tear down. And a retention rule that someone has written down.
- Backups
- SaaS
- Databases