Containers Playgrounds

Remote sandboxes for learning and experimentation — fresh Linux VMs, Docker hosts, or Kubernetes clusters in seconds.

Playground on  Containers

Docker

A Linux server with Docker engine pre-installed.

Playground on  Containers

Podman

A Linux server with Podman, a daemonless Docker alternative, pre-installed.

Playground on  Containers

contaiNERD CTL

nerdctl, containerd, and BuildKit packed together for true nerds.

Playground on  Containers

Incus

Incus is an actively improved community fork of LXD. Do you need systemd inside your containers? Give Incus a try!

Playground on  Networking, Containers

Docker Swarm

A three-node swarm accompanied by an ephemeral registry for ease of experimentation. Batteries included!

Playground on  Networking, Containers

Basecamp Kamal

Kamal is a simple but handy tool to deploy containerized web apps on good old VMs.

Playground on  Containers, CI/CD, Generative AI

Dagger

A 4-in-1 playground (Docker, Podman, containerd, and Kubernetes hosts) to experiment with Dagger - a powerful development workflow automation engine.

Playground on  Containers, Security

minT(oolkit)

Don't change anything in your container image and minify it by up to 30x making it secure, too!

Playground on  Linux, Cloud, Containers

SilverStack WordPress Server

Production-grade WordPress 7.1 on Ubuntu 24.04 - systemd-booted, Nginx FastCGI, PHP 8.3-FPM, MariaDB 10.11, Redis 7 Object Cache, WP-CLI, and Cloudflare-ready with zero manual setup.

Playground on  Kubernetes, Containers, Security

OpenClaw on K3s with agent-sandbox + gVisor

A 3-node K3s cluster with gVisor (runsc), the kubernetes-sigs/agent-sandbox controllers, and the OpenClaw + gVisor example pre-deployed. OpenClaw's Control UI is available as a dedicated tab.

Playground on  Containers

Podman with Docker Compose

Podman Playground with Docker Compose for better Developer Experience. Docker Compose: v5.3.1

Playground on  Linux, CI/CD, Containers

SilverStack Nexus Server

Production-grade Nexus Repository Manager 3 Community Edition on Ubuntu 24.04 - systemd-booted, Cloudflare-ready, Nginx-proxied, zero setup required.

Playground on  Linux, CI/CD, Containers

SilverStack SonarQube Server

Production-grade SonarQube 26.2 CE (LTA) on Ubuntu 24.04 - systemd-booted, PostgreSQL-backed, Nginx-proxied, Cloudflare-ready, zero setup required.

Playground on  Linux, CI/CD, Containers

SilverStack Jenkins Server

Production-grade Jenkins LTS on Ubuntu 24.04 - systemd-booted, Nginx-proxied, Cloudflare-ready, zero setup required.

Playground on  Linux, CI/CD, Containers

SilverStack CI/CD Stack

A fully composed 4-node CI/CD platform - Jenkins, SonarQube, Nexus, and a Dev Machine, all running in a single Flexbox playground on a shared private network. Each service is Nginx-proxied and Cloudflare-ready. Zero setup required.

Playground on  Containers, Programming

Coder Development Environment

A fully configured Coder instance running on Ubuntu 24.04 with Docker support. Uses a custom OCI image with pre-installed Coder and Docker.