Health Checks

Read more about the article Kubernetes Zero-Downtime Rollouts: Why Your Readiness Probe Isn’t Saving You

Kubernetes Zero-Downtime Rollouts: Why Your Readiness Probe Isn’t Saving You

Readiness probes are necessary for Kubernetes zero-downtime rollouts, but they only close one of four gaps. Here is what actually drops requests during a deploy: the race between SIGTERM and endpoint propagation, probes that lie, surge settings that quietly delete capacity, and load balancers that never watched EndpointSlices in the first place.

Continue ReadingKubernetes Zero-Downtime Rollouts: Why Your Readiness Probe Isn’t Saving You
Read more about the article Docker Compose in Production: What Works and What Quietly Burns You

Docker Compose in Production: What Works and What Quietly Burns You

Running Docker Compose in production is a reasonable choice for a single host, but the defaults were chosen for a laptop. A walk through the failure families that actually bite: the deploy gap, unrotated logs filling the disk, anonymous volumes, published ports that bypass your firewall, secrets in environment variables, and health checks that report without acting.

Continue ReadingDocker Compose in Production: What Works and What Quietly Burns You