We're starting a special series of articles dedicated to our… failures and lessons we've learned from them. This story has happened with a ClickHouse + ZooKeeper setup due to miscommunication.

Helm templates and standard Helm library are insufficient for you? Learn how to make your templates more flexible and dynamic by implementing your own Helm “functions” and exploiting the capabilities of the tpl function.

That's not a joke! Despite some issues you will never expect, our recent experience with a massive upgrade of 150 Kubernetes clusters was a pure pleasure. And here is why…

shell-operator is our Open Source tool to simplify creating Kubernetes operators. This major release both anticipates its matureness and brings new features.

Not sure which Vault backend will be capable of handling your load? Here is a simple way to run your benchmarks and how we used it to compare Consul, PostgreSQL, and GCS options.

ovpn-admin is our new Open Source project providing a simple web UI to manage OpenVPN users, certificates, and more.

Our new exciting SRE/Ops stories include complicated Linux server migration (bare-metal to VM), large PostgreSQL replica recovery, small case with ClickHouse Kubernetes operator, and abnormal result of CockroachDB upgrade.

This article reviews existing tools for implementing chaos engineering in K8s including kube-monkey, chaoskube, Chaos Mesh, Litmus Chaos, Chaos Toolkit, some games, and even more.

Fascinating lessons learned using the Kubernetes operator for PostgreSQL of our choice — Postgres Operator by Zalando. Problems and solutions, the story of migrating production.

Evaluating five popular Kubernetes operators for PostgreSQL: Stolon, Crunchy Data, Zalando, KubeDB, and StackGres — and comparing them in a features matrix.