February 2022

Spring Actuator based gRPC Health Check

We use Spring Boot and gRPC on AWS ECS Fargate behind AWS Application Load Balancers. We wanted to allow the ALB to query Spring Actuator’s robust health checks. However, the default Tomcat Actuator interface adds substantial bloat to a microservice and requires a slightly more involved configuration listening on a second port. We decided to […]

Encrypted ZFS on Linux

Motivation I’ve suffered a home file server with an overly complicated disk storage setup for a number of years: LUKS, MD RAID, and LVM with a caching setup on top of that. It’s mostly a toy used for non-critical backups, so it was fun to tinker with. However, I’ve suffered disk losses multiple times despite […]