Self-hosting a high-availability Postgres cluster on Kubernetes Deploying an HA Postgres cluster using Zalando w/ K8s. Large cloud providers do indeed go down and without carefully architecting your systems to handle the scenario of when they go down, not if they go down, you need to have automated service failover integrated into your system design process to ensure maximal uptime of your most critical applications. 2023 was a fun year for incidents, let’s have a look at just a few I cherry-pi...