Containers on Pi Stack

gVisor vs Kata Containers vs Firecracker: Container Sandboxing Guide 2026

Mon, 20 Apr 2026 00:00:00 +0000

When you run containers on a shared kernel, a single exploit can compromise every workload on that host. Container runtimes like docker and containerd rely on Linux namespaces and cgroups for isolation — effective for accidental misconfiguration, but insufficient against a determined attacker who escapes the container boundary. Sandbox runtimes solve this by adding an additional isolation layer between the container and the host kernel.

containerd vs CRI-O vs Podman: Best Self-Hosted Container Runtimes 2026

Sat, 18 Apr 2026 00:00:00 +0000

Every container you run — whether it’s a web server, database, or microservice — depends on a container runtime underneath. The runtime is the low-level software that actually creates, manages, and tears down containers on your host system.

Buildah vs Kaniko vs Earthly: Self-Hosted Container Build Tools Guide 2026

Wed, 15 Apr 2026 00:00:00 +0000

Building container images has become a daily task for developers, DevOps engineers, and platform teams. While [docker](https://www.docker.com/) build is the most well-known approach, it requires a running Docker daemon and root-level privileges — both of which create security and architectural concerns in production CI/CD environments.

Portainer vs Dockge vs Yacht: Best Container Management Dashboard 2026

Tue, 14 Apr 2026 00:00:00 +0000

Managing containers through the command line works fine for a handful of services. But once you are running a dozen containers across multiple hosts — databases, reverse proxies, monitoring stacks, media servers — clicking around a terminal gets exhausting fast.

Best Self-Hosted Container Registry 2026: Harbor vs CNCF Distribution vs Zot

Mon, 13 Apr 2026 00:00:00 +0000

Why Self-Host a Container Registry?

If you run docker containers — whether for a homelab, a small team, or a production environment — you eventually hit the limits of Docker Hub. Rate limits, image size restrictions, privacy concerns, and dependency on an external service make a self-hosted container registry one of the most practical infrastructure decisions you can make.

Kubernetes vs Docker Swarm vs Nomad: Container Orchestration 2026

Mon, 13 Apr 2026 00:00:00 +0000

When your self-hosted setup grows beyond a single docker-compose.yml, you need a container orchestrator. The question is: which one? In 2026, the three leading open-source options are Kubernetes, Docker Swarm, and HashiCorp Nomad. Each takes a fundamentally different approach to the same problem — managing containers across multiple machines.