unionfs Archives

Docker storage

March 20, 2022November 3, 2020 by Digi Hunch

Microservices are all about stateless and ephemeral workloads, and containers are great microservices. This may suggest that that Docker is all about ephemeral storage. In fact, Docker supports both non-persistent and persistent storage, such as database, kafka, etc. Non-persistent storage is automatically created, alongside the container and is tied to the lifecycle of the container. … Read moreDocker storage

Docker components

March 20, 2022October 28, 2020 by Digi Hunch

The previous post about virtualization and containerization brought up some underlying technologies which Docker build containers on, including: namespaces – a Linux kernel mechanism to isolate resources. It allows a process to run within an isolated environment (mnt, pid, net, ipt, uts, user, cgroup) cgroups – a Linux kernel mechanism to limit resource usage of … Read moreDocker components